602 MR. P. L. SCLATER ON THE [June 27, 
mens, particularly examples from Eastern Africa, of which I have 
none accessible. But I think it probable there are two species con- 
founded under this name, as Cassin (List of Cypselide in Philad. 
Acad. Collection) keeps C. ambrosiacus distinct from C. parvus. 
In the Leyden Museum are three specimens from Western Africa 
(Gold-coast, from Governor Nagtglas, 1861-2), all of the smaller 
variety, and nearly uniform in colour, with the throat obscurely 
punctured with whitish. A fourth rather larger (probably Tem- 
minck’s type) from Nubia is much faded. It has the throat white, 
obscurely punctulated with fuscous. A skin in the same museum 
from Mayotte, lately sent by Mr. Pollen, agrees with Mr. Newton’s 
bird from Madagascar. 
9, CYPSELUS BATASSIENSIS. 
Cypselus batassiensis, Gray, Griff. An. Kingd. ii. p. 60; Blyth, 
Cat. p. 86 ; Moore & Horsf. Cat.i. p.108 ; Jerdon, B. Ind. i. p. 180. 
C. palmarum, Gray, Ind. Zool. pl. 35. f. 1. 
Nitenti-cineraceo-fuscus ; subtus dilutior : alis et cauda satura- 
tioribus : cauda profunde furcata: long. tota 5°0, ale 4°5, 
caude rectr. ext. 2°5, med. 1°25. 
Hab. Peninsula of India, and Ceylon, generally distributed 
(Jerdon) ; Assam (MacClelland) ; Arracan (Blyth); Tenasserim 
(Brit. Mus.). 
The nest of this Swift is always placed in the fronds of the Tal or 
Palmyra palm (Borassus flabelliformis). See the notes collected in 
Moore and Horsfield’s ‘ Catalogue’ and Jerdon’s ‘ Birds of India.’ 
10. CypsELUS INFUMATUS, sp. nov. 
Fumoso-nigricans, alis et cauda e@neo parum nitentibus : subtus 
dilutior : cauda furcata: long. tota 4°7, ale 4:5, caude rectr. 
ext. 1°11, med. 1°3. 
Hab. in ins. Borneo, Banjermassing (Moté/ey). 
Mus. A. R. Wallace. 
Obs. Aff. C. datassiensi ex India, sed colore saturatiore et cauda 
breviore et minus furcata distinguendus. 
I have as yet seen but a single example of this species, now in Mr. 
Wallace’s possession. It formed part of the collection made by the 
late Mr. Mottley at Banjermassing, Borneo, for Mr. L. L. Dillwyn, 
M.P., of which I have given a list (P. Z.S. 1863, p. 206). It stands 
there incorrectly determined as a Collocalia, sp.?, but is decidedly 
a Cypselus, allied to C. batassiensis of India. 
I have searched in vain for this species among the treasures of the 
Leyden Museum. 
6. Cauda fere eequali. 
11. CypsELUS SUBFURCATUS. 
Cypselus afinis, Strickl. P. Z. S. 1846, p. 99; Swinhoe, Ibis, 
1860, p. 48, et 1861, p. 30. 
