960 ` Recent Literature. [ September, 
seum exceed, or even equal, in importance this that has lately — 
been issued as No. 16. The fishes are a numerous class in the 
waters of North America, even when, as in the case of this vol- 
ume, the rich fauna of Mexico is excluded. The long coast lines — 
of two grand oceans, together with the extensive fresh-water sys- 
tems, raise the total number of species admitted in this synopsis 
to 1340, including eleven marsipobranchs, sixty elasmobranchs 
and seven chondrostids. The Physostomi number 510, and the 
Physoclisti 747. mo 
tion of the Chondrostei to the same rank. In deference to the 
views of Gill, the order Apodes is accepted to include the Holos- 
erosoma (Pleuronectidz) forty-seven species. : 
ese numerous Ape A are placed in 487 genera, which form 
130 families —a number probably somewhat too largë 
account of the delay in publication, copious addenda "oa 
up, and several new species are there referred to or described 
the list of species is corrected up to date. ey, 
The Percide of our authors exclude the Aphredoderid@, - 
soma, the Centrarchidz and the Serranidz, but include eg: pr 
sive group of darters, or Etheostomatinæ, so long fought a 
separate family. Gill 
The three species of Caulolatilus mentioned by Dr CH 
occurring upon the Pacific coast (C. anomalus Cooper, ©” 
Gill, and C. princeps Jenyns) are all referred to the latter 4 
a view the correctness of which was proved by Locking ‘and, bY 
years ago (Proc. Phil. Acad. Nat. Sci., 1880, pp. 1e 
parity of reasoning, the C. microps of Goode and Bean 
to the well-known C. chrysops. : 
This work is a necessity to every working stu 
ei 
dent of icl 
