de 9 pages. — E. P. TVMtfleld: Observations on th e purposes of th e embryonic
sh e a th s of Endoceras and th e ir be arin g on th e origin of th e siphon
in th e Orthocerata. Avec 4 fig. dans le te x te de 9 pages.
N°. 2. 1882. R. P. Whitfleld: Description of Lymnea (Bulimnea) megasoma,
Say, w ith an account of changes produced in th e offspring by unfavorable
conditions of life. Avec 1 pl. e t te x te de 9 pages.
N°. 3. 1882. E. P. Whitfleld: On the fauna of th e lower carboniferous limestones
of Spergen Hill, Ind., w ith a revision of its fossils h ith e rto pubhshed,
and illu stra tio n s of th e species from th e original type series. Aveo 4 pl. et
tex te de 59 pages.
N°. 4. 1883. J. B. Holder: The atlantic rig h t whales. A contribution, embracing
an examination of: 1°. th e exterior chara cte rs and osteology of a
cisarotic rig h t whale-male — 2°. th e exterior characters of a cisarctio rig h t
whale-female and 3°. th e osteology of a cisarotic rig h t whale, sex n o t known.
To which is added a concise résumé of historical men tio n re la tin g to th e
p re sen t allied species. Avec 4 pl. et te x te de 40 pages.
N°. 5. 1884. E. P. Whitfleld: Notice of some new species of primordial fossils
in th e collections of th e Museum and corrections of previously described species.
Avec 2 pl- e t tex te de 15 pages. — C. A. Hitchcock : Geological sections
aoros New Hampshire and Vermont. Avec 1 carte, 2 tabl. e t te x te de 25 pages.
N°. 6. 1885. R. P. W^hitlleld : On a fossil scorpion from th e Silurian rocks of
America (Proscorpius Osborne, n.sp.) Aveo 2 pl. et 2 flg. dans le te x te de
10 pages. — E. P. Whitfleld: Notice of a new Cephalopod from th e Niagara
rooks of Indiania. Avec 1 pl. et te x te de 2 pages. — Notice of a very
large species of Homalonotus (H. major, sp.n.) from th e Oriskany sandstone
formation. Avec 1 pl. et te x te de 8 pages.
N°. 7. 1886. E. A. Mearns : Description of a ra re Squirrel, new to th e territorj^
Arizona (Spermophilus [Ictidomys] tereticaudus, Baird). Texte de 11 pages. —
N. Pike: Notes on th e life histo ry of Amhlyostoma opacum. Texte de 4
pages. — Notes on th e He rm it spadefoot (Scaphiopus Holbrookii, H a rlan ;
Sc. solitarius, Holbr.). Texte de 8 pages. — J. A. Allen: A revised lis t of
th e birds of Massachusetts. Texte de 51 pages. — The masked Bob-white
(CoHnus Ridgwayi) of Arizona and its allies. Avec 1 pl. col. e t te x te de
19 pages.
N°. 8. 1886. E. P, Whitfleld: Notice of geological in v estigations along tho
e aste rn shore of lake Champlain by Prof. H. M. Seely and P. E. Braiiiard
of Middlebury College, w ith descriptions of th e new fossils discovered. Avec
12 pl., 1 carte e t 1 flg. dans le tex te de 56 pages.
Vol. IL N°. 1. 1887. J. A. Alleu: The west-indian seal (Monachus tropicolis.
Gray). Avec 4 pl. e t te x te de 34 pages. — Note on Squalodont remains
from Charleston, S C. Avec 2 pl, et tex te de 5 pages. — R. P . Whitfleld:
Observations on some imperfectly known fossils from th e calciferous sand-
rock of lake Champlain, and descriptions of several new forms. Avec 4 pl.
et te x te de 22 pages.
N°. 2. 1889. E. P. Whitfleld: Additional notes on Asaphis canalis, Conrad.
Avec 2 pl. e t te x te de 2 pages. -- Description of a new form of fossil, Ba-
lanoid Cirripeds, from th e Marcellus shale of New York (Protohalanus
Hamiltonensis, Whitf.). Avec 1 pl. et te x te de 3 pages. - J. A. Allen: Notes
on a collection of birds from Quito, Ecuador. Texte de 8 pages. — List of
th e birds collected in Bolivia by H. Rusby, with field notes by th e Collector.
Texte de 36 pages. — K. P. Whitfleld: Note on th e faunal resemblance
between th e cretaceous formations of New Jersey, and th o se of th o Gulf States,
Texte de 4 pages. - P. M. Cliapnian: Pre lim in ary descriptions of two appare
n tly new species of th e gen u s Hesperomys from Florida. (H. floridanus;
H. niveiventris). — Description of a new subspecies of th e gen u s Sigmodon
from S. Florida (S. hispidus littoralis).
N“. 3 1889. F. M. Chapman: On th e h abits of th e round-tailed m u sk ra t (Neo-
fiber Alleni, True). Texte de 5 pages. — J. A. Allan: On Cyclorhis viridis
(Vieill.) and its n e a r allies w ith rem a rk s on o th er species of th e genus
Cyclorhis. Avec 7 flg. dans le tex te de 14 pages. - Description of new species
of so u th american birds, w ith rem a rk s on various o th er little known species.
Texte de 15 pages. — F. M. Chapman: A revision of th e genus Xiphorhyn-
ohus Swainson, w ith description of two new species (X. do rso im ma cu la tu s;
X. rufodorsalis). Texte de 11 pages. — J. A. Allen: Notes on a collection of
mammals from S. Mexico, w ith descriptions of new species of th e genera
Soiurus, Tamias and Sigmodon. Texte de 17 pages. — F. M. Chapman:
F u rth e r note on Amazilia aeneobnmnea. — J. A. Allen: Rema rk s on individual
and seasonal variation in a large series of Elainea from Chapada,
Matto Grosso, Brazil, w ith a revision of th e species of th e restricted genus
Elainea. Avec 24 fig. dans le te x te de 26 pages. - On th e Maximilian types
of so u th american birds in th e American Mus. of Nat. History. Texte de
68 pages.
N°. 4. 1890. E. A. Mearns: Description of supposed new species of sub species
of mammals from Arizona. Texte de 32 pages.
Vol. I I I . N°. 1. 1890. E. B ra in e rd et H. 31. Seely: The calciferous formation
in th e Champlain valley. Aveo 7 fig. dans le te x te de 23 pages. — R. P . MTiit-
field: Observations on th e fauna of th e rocks a t F o rt Cassin, Vermont, w ith
description of few new species. Avec 3 pl. et 1 flg. dans le tex te de 15 pages. -
J. A. Allen : On seasonal variations in color in Soiurus hudsonius. Texte de
4 pages. — A review of some of te n o rth american ground sq u irrels of th e
genus Tamias. Texte de 70 pages. — F. M. Chapman: On a collection of
birds made by C. P. S tre a to r in British Columbia, w ith field n o tes by th e
Collector. Texte de 36 pages. — J. A. A llen : Descriptions of a new species
and a new subspecies of th e genus Lepus. Texte de 2 pages. — List of
mammals collected bij C. P. S tre a to r in British Columbia, w ith descriptions
of new subspecies of Sciurus. Texte de 8 pages. — Notes on a small collec
tio a of west-indian Bats, w ith descriptions of an app aren tly new species.
Texte de 5 pages. — Notes on collection of mammals made in central and
so u th e rn Mexico by A. C. Buller, w ith descriptions of new species of th e
genera Vespertilis, Sciurus and Lepus. Texte de 19 pages.
N°. 2. 1891. J. A. Allen: Description of a new species of big-eared B a t of th e
genus Histiotus from so u th e rn California. Texte de 5 pages. - F u rth e r notes
on Maximilian ty p es of south american birds. Texte de 4 pages. — Notes
on a collection of mammals from Costa Rica. Texte de 16 pages. — On a
collection of mammals from so u th e rn Texas and n o rth e a ste rn Mexico. Texte
de 10 pages. — E. A. Mearns: Description of a new species of th e e astern
Chipmunk from th e upper Mississippi region, west of th e Great Lakes. Texte
de 5 pages. - Description of a new species of weasel and a new subspecies
of th e Gray fox, from Arizona. Texte de 5 pages. — Observations on th e
n o rth american badgers, w ith special reference to th e fonns found in Arizona,
witli description of a new subspecies from n o rth ern California. Texte de
13 pages. — Notes on th e o tte r (Lutra canadensis) and s tru n k s (genera