Putnam.] 238 [March 16, 



label. These two specimens I now refer with but slight hesitation 

 to H. macrorhynchus of Valenciennes. 



A fourth specimen of the genus was discovered in the collection 

 of the Boston Society of Natural History, but unfortunately was 

 without a label indicating its locality. This specimen is unquestion- 

 ably the same species as the one from Nantucket. 



I have also hastily examined three specimens contained in the 

 Museum of Comparative Zoology, which were collected by Mr. An- 

 drew Garrett at Hawaii, and am satisfied, as well as one can be 

 without direct comparison of the specimens, that they are of the 

 same species with the other specimens I have considered as H. longi- 

 rostrisi 



The tricuspid teeth noticed by Prof. Gill in his E. Brevoortii do not 

 seem to be of much importance, as one of the three specimens from 

 Hawaii, in the Museum of Comparative Zoology, has tricuspid teeth 

 in the under jaw, while the other specimens, which do not otherwise 

 differ from it, have simple conical teeth. The specimen from the Bos- 

 ton Society is specially interesting as exhibiting the back teeth of 

 the under jaw with three points, while the front teeth are simple. I 

 must remark, however, that I have not been able to detect tricuspid 

 teeth in the two specimens I have considered as H. macrorhynchus, 

 though as I have not found them in three of the specimens that I 

 have identified as H. longirostris, this character cannot be considered 

 as even of specific importance. 



The following summary of characters exhibits those common to the 

 two species, and shows how cldsely allied they are. The specimens 

 are all nearly of the size of those figured by Valenciennes; the 

 Nantucket specimen being a little smaller than his figure of 27. longi- 

 rosfris, while the Cayenne and two of the Hawaiian specimens are a 

 little longer than his H. macrorhgnchus. 



EULEPTORHAMPJIUS Gill. 



Proceedings of the Academy of Natural Sciences of Philadelphia, 

 1860 (1859), p. 156; 1863, p. 273. 



Summary of characters common to the two supposed species. 

 Body long, narrow and compressed. Head as is Hemirhamphus, 

 but not so pointed. Length of head from tip of upper jaw to margin 

 of operculum about one seventh of the length from tip of upper jaw 

 to the base of the caudal. Upper jaw about as long as wide. Under 

 jaw very long, about one fourth to one third of the total length of 



