Explanation of Plates and Figures. 
3243 
PLATE LIV. 
Text page. 
138. Hybopsis altus (Jordan) 321 
Drawing by H. L. Todd from the type, Xo. 23125, LT.S.N.M., 
collected in Lake Tupataro, Guanajuato, Mexico, by Prof. 
A. Duges. 
139. Platygobio gracilis (Eichardson) 326 
Drawing by A. H. Baldwin from a specimen collected by 
Evermann, Cox, and Rutter in White River near Chamber- 
lain, South Dakota. 
140. Exoglossum maxilliiigua (Le Sueur) 327 
Drawing by Anna L. Brown. 
PLATE LV. 
141. Brycon dentex Giinther 337 
Drawing by A. H. Baldwin from No. 39909, U.S.N.M., collected 
by Dr. L. E. H. Best in Nicaragua. 
142. Derichthys serpentinus Gill 343 
Drawing by H. L. Todd from the type collected by the Alba- 
tross in the Gulf Stream at Station 2094 in 1,022 fathoms. 
143. Anguilla chrysypa Ratinesque 348 
Drawing by H. L. Todd from No. 20470, U.S.N.M., collected 
at Holyoke, Massachusetts. 
PLATE LVI. 
144. Simenchelys parasiticus Gill 349 
Drawing by H. L. Todd from No. 21673, U.S.N.M., collected 
by Capt. N. McPhee near Sable Island Bank. 
145. Ilyophis bruuueus Gilbert 350 
Drawing by 4. H. Baldwin from the type collected by the 
Albatross at Chatham Island. 
146. Synaphobranchus pinnatus (Gronow) 351 
Drawing by H. L. Todd from No. 21681, H.S.N.M., collected 
by Captain Olsen on Le Have Bank. 
PLATE LVII. 
147. Histiobranchus infernalis Gill 352 
Drawing by IT. L. Todd from No. 38205, U.S.N.M., collected 
by the Albatross in lat. 36'^ 35' N., long. 74^ 63' 30" W. 
14S. Leptocephalus conger (Linna'us) 3.54 
Drawing by H. L. Todd from No. 16027, U.S.N.M., collected 
at Noank, Connecticut, by .J. W. Latham. 
149. Leptocephalus caudilimbatus (Poey) 355 
Drawing by H. L. Todd from the ty]»e of Conger caitdicula 
Bean, No. 30709, U.S.N.M., collected by Silas Stearns at 
Pensacola, Florida. 
Bull. No. 47, pt. 4 XIV 
