is c e r ta in , e. y . th e o c c u rre n c e in b o th a re a s o f C oracius a h y s s in ic a a n d o th e r sp e c ie s ;
b u t th e e x a c t l im its b e tw e e n th e S e n e g am b ia n P ro v in c e o f t h e S u d a n e s e S u b -R e g io n a n d
th e F o r e s t o r W e s t-A fr ic a n S u b -R e g io n h a v e y e t to b e d e lin e a te d , a n d th e Swallows do
n o t h e lp u s m u c h . T h e o n ly w o rk o n th e fa um i o f S e n e g am b ia is b y jM. d e R o c h c b ru u e ;
b u t th e r e a r e so m a n y s t a tem e n ts in th i s w o r k w h ic h a r e a b s o lu te ly a t v a r ia n c e w ith
t h e e x p e rie n c e o f o th e r c o lle c to rs in th e p ro v in c e , t h a t liis co n c lu sio n s h a v e b e e n
re c e iv e d w ith c o n s id e ra b le h e s ita tio n . N e v e rth e le s s tlie ro a r c o n e o r tw o Sw a llow s of
w h ic li s p e c im e n s h a v e b e e n re c e iv e d from S e n e g am b ia by E u ro p e a n m u s e um s , w h ic h a re
o th e rw is e k n ow n a s in l ia b i ta n ts o f th e W e s t-A fr ic a n S u b -R e g io n , s u c h a s H b 'u n d o
leucosoma-. a n d th e re fo re f u r th e r in fo rm a tio n is n e c e s s a ry a s to th e e x a c t d is tr ib u tio n o f
th e s e o th e rw is e p u r e ly W e s t-C o u s t fo rm s in S e n e g am b ia .
O u r k n ow le d g e o f th e Z o o -G e o g ra p h ic a l S u b -R e g io n s o f A f ric a is in its in fa n c y , a n d
th e r e is m u c h to b e d o n e in th e d e f in itio n o f th e b o u n d a r ie s o f t h e A b y s s in ia n a n d E a s t-
A f ric a n S u b -R e g io n s . I n fa c t, i f P sa lid o p ro c n e alb icep s b e fo u n d o n ly a t su c h ele v a tio n s
a s to w a r r a n t i t s in c lu s io n in o n r C am e ro n ia n S u b -R e g io n , E a s t A f r ic a w ill possess no
p e c u lia r sp e c ie s o f Swallow.
T h e o n ly sp e c ie s w h ic h co n firm s o u r r e c o g n itio n o f a C a p e P ro v in c e o f th e S o u th -
A f r ic a n S u b -R e g io n is B ib l is fu H g u la ; b u t , o n th e o th e r h a n d , th e p re s e n c e o f fo u r p e c u lia r
sp ec ie s in S o u th -w e s te r n A f ric a , viz. B ib l is a n d e r s so n i, I l i r u n d o a n g o len s is , I l i r u n d o
n ig ro i'u fa , a n d P e tro c h e lid o n r u fig u la , m a y , iu c o n ju n c tio n w ith n um b e rs o f o th e r
p e c u lia r sp e c ie s o f b ird s , e n fo rc e th e r e c o g n itio n o f a n o th e r n a tu r a l p ro v in c e o f th e
S o u th -A fr ic a n E a u n a . A s , h ow e v e r, i t s c om p o n e n t sp e c ie s h a v e n o t y e t b e e n s ta tis tic a lly
c om p a re d w i th th o s e o f Z am b e s ia , we w ill n o t â t p r e s e n t c o n f e r a n am e u p o n th e w e ste rn
j)ro v in c e, a s i t is p o s s ib le t h a t i t m a y be fo u n d to e x te n d tow a rd s th e e a s t in a n
u n e x p e c te d d e g re e .
O u r rem a rk s o n t h e z o o -g e o g ra p b ic a l d istric t.s o f A f r ic a m u s t b e c om p a re d w i th
th o s e o f D r . R e ic h e n ow iu th e ‘ J a h r b u c l i d e r H am b tirg is c h e n w is s e n s c h a ftlic lie n
A n s t a l t e n ,’ vol. x . p p . 3 , I.
C. IN D IA N R E G IO N .
C h IxD i.tN P e n in s u l -vr Su b-R e g io n .
Peculiar Genera:—0.
Peculiar Species :—1. Biblis concolor. 2. Hirundo crythropygia. 3. Petrochelidon fiux-icola.
Species wliicli are known to breed within its limits:—!. Chelidon urbica. 2. Cotilc sinensis.
3. Biblis concolor. 4. Hirundo smithii. 5. II. erythrupygia. G. Petrochelidon fiuvicola.
C=. I sd o -M a ia y a n S d b - E eo io n .
Peculiar Genera :—0.
Peculiar Species :—0. _
Species whicl. » e know,, to breed within i t , limit, : - l . Cotik sinensis. 2. Hirundo janamcn.
.3. H. smithii. 4. H. nipalensis. 5. H. striolata.
C^. I ndo-Cu in e s b Su b-R eg io n .
Peculiar Genera :—0.
Peculiar Species;—1. Hirundo namiyei.
Specie, known, or snpposed, to breed within its limit, : - l . Cotile sinensis. 2. Hirundo nu.niyei.
CA I I im a lo - J I alayan Su b-K e g io x .
Peculiar Genera :—0.
Pecnlinr S p e c i e ,;- ! . rae/i*»«ipoieMis. Z. Hirundo hyperytkra. Z. H. badia.
Species which .r e known, or snpposed, to breed within it, limits : - l . Ckelidon urbica. 2. C. nipalensis.
Z. Biilis rupeslris. i . ' ? B. concolor. 5. Hirundo rustica. H. snntka. 7. H.
hyperythra. H. H. badia.
C \ H o i a l o -C h i n e s e S u b -R e g io n .
Peculiar Genera:—0.
Peculiar Species :—!. Chelidon cashmiriensis.
Species known, or supposed, to brood within its limits 1. Ckelidon cashmiriensis. 2. C. layopus.
D. A T JS T llA L IA K R E G IO N .
D h Ce l eb ea n Su b-R e g io n .
Peculiar Genera :—0.
Peculiar Species 0.
Species known, or supposed, to breed within its limits:—!. Hirundo javanica.
D2. M oluccan Su b-R e g io n .
Peculiar Genera :—0.
Peculiar Species;—1. Petrochelidon limoriensis.
Species known, or supposed, to breed within its limits:—!. Hirundo javanica. 2. Petrochelidon
timoriensis *.
• By mistake, this species has been entered under the Papuan Sub-Region (p. 599), but it should rightly he
considered a Moluccan species.