NOTES ON A COLLECTION OF FISHES FROM THE ISLAND 

 OF SHIKOKU IN JAPAN, WITH A DESCRIPTION OF A 

 NEW SPECIES, GNATHYPOPS lYONIS. 



By David Starr Jordan and William Francis Thompson, 



Of Stanford University, California. 



The museum of Stanford Univereity has received a small collection 

 of fishes, made by Mr. Yoshiro Manabe, teacher of biology in the 

 Kwansei Gakuin (College) at Kobe. The specimens were obtained 

 from Yawatahama, a village on the coast of the Province of lyo, 

 which occupies the northwestern part of the large island of Shikoku. 

 The collection has been sent to the United States National Museum. 



Family EQUULIDiE. 



LEIOGNATHUS RIVULATUS (Temminck and Schlegel). 



One young specimen. 



FamUy OPISTOGNATHID^. 



GNATHYPOPS lYONIS Jordan and Thompson, new species. 



Description of J^he type No. 74763, United States National Mu- 

 seum, a female specimen 74 mm. in total length, from Yawatahama, 

 lyo, Japan, collected by Yoshiro Manabe, a former student of Stan- 

 ford University. 



Head 3f in body length to base of caudal; depth 4|; eye 4 in head; 

 snout 5^; interorbital space 13; maxillary 1|; dorsal rays XI, 13; 

 anal rays II, 14; scales in lateral series 47 ; gill-rakers 10 + 21; height 

 of dorsal spine 4^ in head; of longest dorsal ray 2^-; of pectoral 2; of 

 ventrals 1|; of caudal If; depth of caudal peduncle 3|. 



Body compressed, with little slope in dorsal profile either anteriorly 

 or posteriorly; maxillary extending to within a third of eye diameter 

 from the preopercular angle, its tip not rounded, nor truncate, but 

 broadest an eye diameter before tip, this condition caused by the 

 large supplementary bone, the length of which is equal to the diameter 

 of the eye and which does not extend to tip of maxillary proper; tip 

 of latter very flexible; short snout, strongly curved downward from 



Proceedings U. S. National Museum, Vol. 46— No. 201 1 . 

 95278°— Proc.N.M. vol.46— 13 5 65 



