17. PROSOPODASTS. 139 



6. Agriopus alboguttatus. 



Kroyer, Naturhist. Tidsskr. 1844, i. p. 226. 



12 8 



Skin covered with very minute homy tubercles. The upper sur- 

 face of the head with three pairs of spines : the first above the snout, 

 the second before, the third behind the orbit. The fourth dorsal 

 spine is the longest, rather shorter than the head. Black : head and 

 fins dotted with white. {Kroyer.) 

 Coast of Chile. 



7. Agriopus Mspidus. 

 Jenyns, Zool. Beagle, Fishes, p. 38. pi. 7. f. 2, 2a, 2b. 

 J).'-l. A.l 



13 8 



Minute vomerine teeth. Skiu rasp-Uke. A small spine before 

 each orbit. The fourth and fifth dorsal spines are the longest, shorter 

 than the head. Orange-red : back blackish ; fins spotted with black. 

 {Jen.) 



Peninsula of Tres Montes. Archipelago of Chiloe. 



17. PROSOPODASYS*. 



Apistiis, sp., Cuv. iif Val. 

 Prosopodasys, sp., Cant. Catal. p. 44. 



Head and body more or less compressed, naked, or with minute 

 rudimentary scales. Prseorbital and praeoperculum armed. The 

 three anterior dorsal spines more or less separated from the others, 

 and forming a distinct division ; the remainder of the fin continuous, 

 with nine to twelve spines ; the anal with three ; no pectoral append- 

 ages. Teeth in the jaws, on the vomer, and generally on the pala- 

 tines (in one species palatines destitute of teeth). No cleft behind 

 the fourth gUl. 



East Indian Seas. [New Zealand.] 



1. Prosopodasys trachinoides. 



Apistus trachinoides, Cuv. 8f Val. iv. p. 401. pi. 92. f. 1 ; Bleek. Verh. 

 Batav. Genootsch. xxii. Sclerop. p. 8 ; Richards. Voy. Samarang, 

 Fishes, p. 1. pi. 3. f. 3-^ ; Cant. Catal. p. 44. 



D.3|^. A.!. 



Scales minute, rudimentary. The first three dorsal spines entirely 

 separated from the others. The pectoral reaches to the origin of the 

 anal fin ; the third anal spine is the longest. Reddish-brown, finely 

 speckled with brown. 



East Indian Seas. 



a. Adult. Java. From the Leyden Museum. 



b. Adult. Presented by Sir John Richardson. 



* 1. Apistus plagiometopon, Bleek. Celeb, iii. p. 753. — Sea of Celebes. 



