78 
ZOOLOGICAL LITERATURE. 
Laniidas. 
Lanius mexicanus from Mexico is X. excuhitoroides. P. L. Sclater, P. Z. 8. 
1864, p. 173. 
Lanius pallidus is described as a new species from Central Africa, inter- 
mediate in size between X. minor and X. excuhitor^ and with the coloration 
peculiar to birds of the desert. 0. Antinori, Oat. Ucc. Affr. centr. pp. 66, 67. 
Prionops tricolor. Described as a new species allied to P. retziij obtained 
during the Zambesi Expedition. G. R. Gray, P. Z. S. 1864, p. 45 j Ann. 
& Mag. N. H. ser. 3. xiv. p. 379. Mr. Gray appends to his notice an enume- 
ration of the six species of the genus now known, as well as the three of the 
genus Sifftnodus, which he now considers allied to Prionops. Dr. Sclater (Ibis, 
1864, p. 319, note) says that P. tricolor appears to him to be not different 
from P. retzii. 
MuSCICAPIDiE. 
Smithornis rufolateralis, a new species of smaller size, and of more variegated 
plumage than the single species {S. cap)cnsis) previously known. Brought 
irom West Africa, but the exact locality unknown. G. R. Gray, P. Z. S. 1864, 
p. 143 ] Ann. & Mag. N. H. ser. 3. xiv. p. 457. 
Leucocerca lessoni is by no means a Leucocerca, but a very distinct form, to 
be separated generically. G. Hartlaub, Ibis, 1864, p. 232. 
Cyomis vivida, sp. n., from Formosa^ allied to C. rubecidoides. R. Swinhoe, 
Ibis, 1864, p. 363. 
Butalis grisola and Muscicapa atricapilla are figured. J. Gould, B. Grt. Br. 
part V. 
Muscicapa aquatica is described from the Djour-country. T. von Heuglin^ 
J. f 0. 1864, pp. 256, 257. 
Muscicapa muscipeta, a subspecies of M. atricapilla^ is treated of. L. Brehm, 
Nov. Act. Acad. Nat. Cur., 1 June, 1864, pp. 9-13. 
Frythrosterna parva has a second time occurred in England. E. H. Rodd, 
Ibis, 1864, pp. 130, 131. Its subspecies rufigidaris is treated of. L. Brehm, 
Nov. Act. Acad. Nat. Cur., 1 June 1864, pp. 14-17. 
Elminia teresita is a new species from Central Africa, strongly resembling 
E. longicaudata, but with a rather larger bill, hind-head somewhat crested, 
and black lores. 0. Antinori, Cat. Ucc. Affi*. centr. p. 60. 
Mniotiltid^. 
The genera of this family and its allies are very minutely 
differentiated by Professor Bail’d, and the variations of struc- 
ture in their tongues microscopically examined by Dr. W. 
Stimpson, the descriptions being illustrated by a series of wood- 
cuts. Rev. Am. Birds, pp. 160-167. 
Perissoglossa is a new genus established for the Dmdroeca tigrina {Sylvia 
mantima, Wilson), the characters being chiefiy based on its lingual structure, 
which is so fundamentally different as compared with that of other members 
of the family as almost to warrant its entire removal from Mniotiltidce. 
S. F. Baird, Rev. Am. Birds, p. 162. 
