154 



BULLETIN 129^ UNITED STATES NATIONAL MUSEUM 





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Bird Key, Florida; April 

 8, 1889; Grampus; 1 ovig- 

 erous female (15204). 



Dry 'Jlprtugas, Florida; 

 Edward Palmer; 1 female 

 (18132). 



Florida (?); 1 male 

 (14465). 



Off Mujeres Island, 

 Yucatan; 12 fathoms; crs. 

 cor. S.; 1 small, immature 

 female (2022, M. C. Z.), 

 identified by A. Milne 

 Edwards. 



Harbor Island, Baha- 

 mas; July 8, 1893; State 

 Univ. Iowa Exped.; 1 

 male (11866, Mus. S. U. 

 I.). 



Porto Real, Porto Rico; 

 January 27, 1899; Fish 

 Hawk; 1 male, 1 female, 1 

 young (24159). 



EPIALTUS DILATATUS forma 

 ELONGATA Rathbun 



Plate 48 



Epialtus dilatatus forma 

 elongata Rathbun, Proc. 

 Biol. Soc. Washington, 

 vol. 36, 1923, p. 72 (type- 

 locality, off Duck Key, 

 Florida; holotype, Cat. 

 No. 47090, U.S.N.M.). 



Diagnosis. — Rostrum 

 elongate, slightly bilobed. 

 Hepatic and branchial 

 lobes similar. Preorbital 

 tooth obscure (fig. 53, Jc). 



Description. — Similar to 

 E. dilatatus but with a 

 longer rostrum and with 

 lateral lobes subequal in 

 size and shape, the hepatic 

 lobe having an antero- 



