'{. HEMIRHAMPHTJS. 2G9 



21. Hemirhamphus pleii. 



? Hemirhamphus balao, Lcshkw, Jmirn. Acad. Nat. Sc. Philad. ii. 



p. 136. 

 Hemirhamphus pleii, Cuv. 8f Val. xix. p. 21. 



D. 14. A. 12-13. L. lat. 55. L. transv. 38/15. 



The length of the entire head is contained twice and two-thirds 

 in the total (without caudal), the length of the lower jaw (from the 

 extremity of the upper jaw) four times and two-thirds. The trian- 

 gular part of the upper jaw, formed by the intermaxillaries, is hroader 

 than long. The diameter of the eye equals the width of the inter- 

 orbital space, and is two-thirds of the length of the postorbital part 

 of the head. The root of the ventral tin is conspicuously nearer to 

 the base of the caudal than to the axil of the pectoral. Dorsal and 

 anal fins scaly ; the former much longer than the latter. Caudal fin 

 deeply forked, the central rays being shorter than the eye. liack 

 dark greenish, sides without well-defined silvery band. 



Atlantic coasts of Tropical America. 



a. Adult. St. Croix. Purchased of Mr. Stevens. 



h-c. Adult and half-grown : skins. Jamaica. From Mr. ParncU's 

 Collection . 



d-e. Adult and half-grown. Dominica. Purchased of Mr. Cutter. 



f-h. Half-grown and young. West Indies. Purchased of Mr. 

 Scrivener. 



?'. Half-grown and young. Bahia. From Dr. 0. Wucherer s Col- 

 lection. 



22. Heniirhamplius vittatus. 



? Esox brasiliensis, lU. taf. .'591. 



H(imirhaniplius vittatus, Valvnc. in Webb 8f Berthel. Ilea Canar. Paisn. 

 p. 70. 



D. 13-14. A. 10-11. L. lat. 57-63. 



The length of the entire head is contained twice and three-fifths 

 in the total (without caudal), the length of the lower jaw (beyond the 

 extremity of the upper jaw) nearly five times. The triangular part 

 of the upper jaw, formed by the intermaxillaries, is much broader than 

 long. The diameter of the eye equals the width of the interorbital 

 S])aco, and is two-thirds of the length of the postorbital i)ai-t of the 

 head. The root of the ventral fin is rather nearer to the base of the 

 caudal than to the axil of tlie pectoral. Dorsal and anal fins scaly ; 

 the former much longer than the latter. Caudal fin deeply forked, 

 the central rays being shorter than the eye. Ikick dark greenish, 

 sides Avithout well-defined silvery band*. 



West Coast of Africa ; Canary Islands. 



a. Adult. Niger Expedition. From Mr. Fraser's Collection. 

 h. Adult. From the Haslar Collection. 



* Bloch .ind Viilcncicnncs mention dark cross bands, no tnvee ol' vvliich is 

 visible in our ppooinions. 



