6 Pisces, 
PISCES. 
Jordan, D. S., & Gilbert, 0. H, Notes on a Collection of Fishes 
from San Diego, California. P. U. S. Nat. Mus. hi. pp. 23-34 
[1880]. 
2 new genera and 3 new species are described. 
, . Notes on Sharks from the Coast of California. L. c. 
pp. 51 & 52 [1880]. 
Lockington, W. N. List of the Fishes collected by ]|y[r. W. J. Fisher 
upon the Coast of Lower California, 1876-77. P. Ac. Philad. 1881, 
pp. 113-120. 
4 species described as new. 
Jordan, D. S., & Gilbert, C. H. Notes on a Collection of Fishes, 
made by Lieut. H. E. Nicholls, U.S.N., on the West Coast of Mexico, 
with descriptions of (5) new species. P. U. S. Nat. Mus. iv. 
pp. 225-233. 
West Indies. 
F. POEY, in Gundlach’s Apuntes para la Fauna Puerto-Riquena, iv. 
Peces, An. Soc. Esp. x. pp. 317-350, enumerates the (106) species of 
Fishes of Porto-Rico. 1 genus and 2 species are described as new. 
South America. 
Steindaciiner, F. Beitriige zur Kenntniss der Flussfische Sudamerika’s, 
ii. Denk. Ak. Wien, xliii. pp. 103-146, pis. i.-vii. 
This contribution contains descriptions of 16 new species. 
Gunther, A. List of the Fishes collected during the Survey of H.M.S. 
‘ Alert * in the Straits of Magellan and on the Coast of Patagonia. 
P. Z. S. 1881, pp. 19-22, pis. i. & ii. 
PAL^ICHTHYES. 
CHONDROPTBRYGII. 
Balfour, F. M. [the late]. On the Development of the Skeleton of the 
Paired Fins of Elasmobranchii, considered in relation to its Bear- 
ings on the Nature of the Limbs of the Vertebrata. P. Z. S. 1881, 
pp. 656-671, pis. Ivii. & Iviii. 
Benda, C. Die Dentinbildung in den Hautzahnen der Salachier. Arch, 
mikr. Anat. xx. pp. 246-270, pi. xvi. 
Hermann, G. Sur la spermatog(5n6se chez les Sdlacieus. C. R, xciii. 
pp. 858-860. 
Marshall, A. M. On the Head-cavities and Associated Nerves of 
Elasmobranchs. Q. J. Micr. Soc. (n.s.) xxi. pp. 72-97. 
, & Spencer, W. B. Observations on the Cranial Nerves of 
Scy Ilium. Q. J. Micr. Soc. (n.s.) xxi. pp. 469-499. 
