1912.] NATURAL SCIENCES OF PHILADELPHIA. 11 



ostegal region. Vertical series of 3 small pores behind eye short space 

 on side of head. L. 1. complete, a little high at first, then midway 

 along tail side, and extending short space on tail. From above 

 pectoral origin about 112 pores in 1. 1., of which 30 before vent. 

 L. 1. with about 7 pores before pectoral base, where continued on 

 head side till its origin above opercle front. 



Dorsal, anal, and caudal continuous, first with origin about midway 

 in depressed pectoral length. Dorsal and anal moderately high, 

 radii fine. Caudal large, length 1| in head, with numerous fine 

 radii, contour elongate and sharply pointed behind, median rays 

 longest. Pectoral small, elongate, inserted about midway in depth, 

 radii fine, and fin rather pointed behind. Vent close before anal. 



Color in alcohol largely dull or uniform russet-brown, lower 

 surface of head and abdomen slightly paler. Snout tip deep brown. 

 Iris slaty. Fins all plain pale brown. Edges of vertical fins narrowly 

 dusky, becoming nearly blackish posteriorly. Lips and gill-opening 

 pale. 



Length 6f inches. 



Type No. 1,055, A. N. S. P. Off Lower California. Dr. W. H. 

 Jones. 



Only the type known, and apparently distinguished from all other 

 species of the genus by its large caudal fin. 



(Cauda, tail; with reference to the large caudal fin). 



Congrellus balearicus (De la Roche). 



Four from Italy. 



Congrellus anago (Schlegel). 



Congrellus meeki Jordan and Snyder, Proc. U. S. Xat. Mus., XXIII, 1901, 

 p. 347, PL 11. Bay of Tokyo, Japan. 



Three from.Tokyo, Japan. One of these is typical of Congrellus 

 meeki. Two others from Wakanoura. Japan. 



Congrellus bowersi (Jenkins). 



One from Honolulu, Hawaiian Islands. 



Bathycongrus mystax(De la Roche). 



One from the Mediterranean. 



Atopichthys nuttalli sp. nov. Fig. 2. 



Head 12|; depth 12J; head width 2| in its length; head depth 

 at occiput 2; snout 5J; eye 2>\; maxillary 2h; interorbital 3|; 

 muscular segments about 17 + 143?. 



Body oblong, greatly compressed, sides flattened, and only taper- 



