ANALYTICAL TABLE OF THE FAMILIES AND GENERA.
(This Table is intended as an index to the Synopsis, and ivill, it is hoped, afford a ready means of
ascertaining the genus of any specimen from an examination of the external characters.)
Branchiae plumose, surrounding the vent on the medio-dorsal line
Cloak ample . . . .
Tentacles retractile within cavities .
Cloak small or obsolete
Tentacles retractile
within sheaths
Tentacles smooth
t Family . Dorididä.
Sub-Fam. Doridince.
. . Doris.
Sub-Fam. Polycerime.
. -ZEgirus.
m ■ . . •, C Cloak distinct, with Tentacles laminated H M H H appendages . Tnopa. (. Cloak obsolete . . . Thecacera.
Cloak distinct, with a smooth or undulated margin Goniodoris.
Tentacles non-retractile \ Cloak indistinct, with marginal filaments
without sheaths . . j Cloak rudimentary, with marginal tubercles
Cloak obsolete, tentacles with basal filaments
Family
Family
Branchiae laminated or tufted, arranged along the sides of the back;
liver entire • . . ••. • . . '
Branchiae laminated, set along a pallia! ridge at'the sides of the back .
Branchiae tufted, covering the insides of lobes at the sides of the back
Branchiae papillose, rarely ramose, set along the sides of the back
liver defused and branched .
* Tentacles 2, sheathed; branchiae variable.
Branchiae ramose or papillose .
Branchiae ramose, without pallial ridge
Branchiae papillose, on a pallial ridge
Branchiae clavate and muricate
Veil small
** Tentacles without sheaths; branchiae papillose.
Vent lateral
Tentacles 4 .
Tentacles 2 .
Vent dorsal; branchiae not surrounding the head
Tentacles 4, vent latero-dorsal
Tentacles 2, vent medio-dorsal, anterior
Tentacles none, vent medio-dorsal, posterior
Vent dorsal, posterior; branchiae surrounding the head
Dorsal tentacles united by a crest, laminated
Dorsal tentacles without crest, not laminated
Idalia.
. Polycera.
. Ancula.
Tritoniad2e.
.. Tritonia.
. Scyllaea. .
Eolididje.
Sub-Fam. Dendronotina.
. Dendronotus.
. . Lomanotus.
Sub-Fam. Melibteinte.
. . Doto.
Sub-Fam. Eolidince.
. . Eolis.
. Embletonia.
Sub-Fam. Hernusince.
. . Fiona.
. . Hermaea.
. . Alderia.
Sub-Fam. Proctonotints.
. . Antiopa.
. . Proctonotus.
SYNOPS I S .
Sub-Kingdom— Molltj sca.
Class— Gasteropoda.
Order—NUDIBRANCHIATA.
Fam. 1. DoRIDIDjE. Branchiae plumose, surrounding the vent on the medio-dorsal line.' Skin
spiculose.
Sub-Fam. Doridince. Cloak ample, with an entire margin.
Genus 1. DORIS, L in n ^ u s .
Cloak covering the head and foot. Dorsal tentacles 2, laminated, retractile within cavities.
Oral tentacles 2, various, or wanting. Fam. 1, Plates 1 and 2.
Section 1. Branchiae united at the base and retractile within a cavity ; body more or less
depressed ; with oral tentacles. Doris, proper.
Tongue broad, with numerous lateral spines and occasionally a central one.
* Oral tentacles tubercular.
Lingual spines uniform: no central spine,
a. Lingual spines stout, plain.
1. D. tuberculata, Cuv. Orange or yellow, usually blotched with brown or olive; cloak covered with
unequal flattish tubercles; dorsal tentacles conical; branchial plumes 9, tripinnate, large
and spreading. Length 2 to 3 inches. PI. 3.
2. D. flammea, Aid. and Hanc. Scarlet, occasionally blotched with purple; cloak covered with moderately
sized, unequal, flattish tubercles; dorsal tentacles conical; branchial plumes 9, tripinnate,
not spreading. Length 1 inch. PI. 4.