160 FISHES FROM GUAYMAS KVEKMANN AND JENKINS. 



Head (107 millimetres) equals the depth, eacb being 3 iu leugtli to 

 base of caudal. 



Eye (16 millimetres) G.7 in head. 



Prolonged caudal 1)0 millimetres in length, and is contained IJ times 

 in head. Height of dorsal rays, 81 millimetres ; of anal rays, 115 milli- 

 metres. 



D. X 11-11; A. III-13; scales 5-31-12. 



It seems certain that H. diidotivnia is the female and H. pectoralu the 

 male. 



84. Pseudojulis veniistus Jeukius &. Evermann. 

 Plate ii. 



Pseudojulis venmtua Jenkins & Evermann, Proc. U. S. Nat. Mas. 1888, 145 (Guaymas). 

 Not common. 



85. Glyphisodon saxatilis (L. ). 



Seven specimens from Guaymas, where it is not uncommon. 

 86. Chaetodipterus zoiiatus (Girard). 

 Barber o. 



JiphippHti zonatus Girard, U. S. Pacific R. R. Exp., Zoiil., 1858, 110 {San Diego). 



Cha'todipterus faber Jordan & Gilbert, Proc. U. S. Nat. Mus. 1881, 48 ; Goods & Bean, 

 Proc. U. S. Nat. Mas. 1882,238 ; Jordan & Gilbert, Bull. U. S. Fish Comm. 188-,>, 

 108, 111 {I'anama; MazatJan) ; .Jordan, Cat. Fish. N. A., 1885, 102. 



D., VIII-I, 23; A., 111-10-18; scales about 90; dorsal spine 0.77 of 

 head. 

 Two specimens, ih and inches iu total length respectiv'ely. 



i 

 87. Chsetodon humeralis Giintber. { 



1 



Chivtodoii humeraUfi Giintber, Cat. Fisbes, ii, Id, li^W {Sandwich Islandx?) ; Giintbi-r, i 



Fiisbes Centr. Am., 419, PI. (55, Fig- 3, 18(;r> {I'anama; Guatemala?) ; Jordan A: \ 



Gilbert, Bull. U. S. Fish Comui. 1882, 108 {Mazatlan), 111 {Panama) ; Jordan, j 



Cat. Fishes N. A., 102, 1885 (name only); Jordan, Proc. U. S. Nat. Mus. 188.5, | 



385 {Mazatlan ; Panama); Eigeumann &, Horning, Ann. N. Y. Acad. Sci. iv, -, 



1887, 1 {('olima). '^ 



Many specimens were obtained. 



88. Pomacanthus zonipectus (Gill). 



Pomacanlhodes zonipectus Gill, Proc. Acad. Nat. Sci. Pbila. 18(52, 244 {San Salvador) ; 

 ibid., ist;:?, 1(52 {ur«t coast of Central .imcrira). 



PomaKUitlm.'i zonipectux, Jordan iV Gilber(, Proc. U. S. Nat. Mus. 1882,376 {Xicaragua ; 

 San Salvador); Jordan &. Gilbert, Bull. U. S. Fish Comm. 1882, 108 {Mazatlan), 

 111 {I'anama); Jordan, Proc. U. S. Nat. Mus. 1885, 38G {Mazatlan; Panama); 

 Jordan, Cat. Fishes N. A., 103, 1885. 



Pomacanthus crcscentalis, Jordan &, Gilbert, Proc. U. S. Nat. Mus. 1881, 358 {Mazat- 

 lan ; Panama.) (young). 



Pomacanthus zonipectus, (iiinther. Fishes Centr. Am., 419, 18(54 {San Salvador). 



The only si)ecimen we obtained, 110 niillinietrevslong, is between the 

 young (which was described by Jordan «S: Gilbert as P. crescentalis) and 

 the adult zonipectus. 



