18 



BULLETIN 2 01, UNITED STATES NATIONAL MUSEUM 



1902; Albatross stations 2418, 1 female with young in brood pouch, 

 18 mm.; 2314*, 2399*, 2401*, 2403*, 2601, 2602*. Bahama Islands: 

 Bache station 10209, March 22, 1914, north of Bahama Bank, latitude 

 27°57' N., longitude 78° 15' W., 100-0 m., 1 immature specimen. All 

 the material denoted by an asterisk was examined by Ortmann (1906) 

 and referred to L. ty pious. I believe it should all be considered this 

 new species. 



Figure 1. — Antennal scales of various species of Lophogaster: a, Lophogaster americanus, 

 new species, type, X 22){; b, L. japonicus, new species, X 20; c, L. intermedins Hansen ? , 

 X 22}i; d, Lophogaster sp. ?, Albatross station 4891, X 22>i {A and J,"rotundate" type;. 

 b and c, "elongate" type.) 



Distribution. — Off the east coast of North America from Massa- 

 chusetts to the Gulf of Mexico. 



Remarks. — This species may be distinguished from L. typicus by 

 the absence of tubercles on the carapace and their replacement by a 



