42<S KEl'OKT OF COMMISSIONER OF FISH AND FISHERIES. 



tT. Front teeth iiuisoi-likc; no raniues. 



c. Incisors l»ro:iil; molars in 2 to 1 series in each jaw. 

 ./'. First spine-btaring interuenral with an autrorse spine in front. 



f/. .Suiiraoctijiital and temporal crests nowhere coalescent, the inter- 

 orbital area not swollen; I'routal bone in the interorbital area thin, 

 concave in transverse section ; temporal crest low, separated from 

 supraoccipital crest by a llattish area which extends forward on each 

 side of supraoccijiital crest and to groove of premaxillary spines. 



(Incisors conspicnously notched.) Lagodox, 26. 



(/g. Sniiraoccipital and temporal crests coalescent anteriorly, both dis- 

 appearing in the gibbous interorbital area; frontal bono between 

 eyes transversely convex and more or less honeycombed ; temporal 

 crest separated from occipital cn^st by an excavated area, bounded 

 anteriorly by the lateral crest, which merges into the supraoccipital 

 above eye. (Incisors entire or with a shallow notch.) 



AUCHOSAUGUS, 27. 



ff. First spine-bearing interneural without antrorse spine above; skull 

 essentially as in Archosarf/us, the frontal bone more cavernous. 



DiPLODUS, 28. 



ee. Incisors narrow; molars in a single series in each jaw; no antrorse 



interneural spine ; snout produced [Charax, 29.] 



Subfamily VII.— Boiudiin.e. 



(Sparidat with molar teeth only, none on the vomer or palatines.) 



Body rather elongate, covered with moderate scales; mouth small; each jaw with 

 two or three rows of coarse nu)lar teeth; no teeth on vomer, palatines, or tongue; 

 nostrils roundish, subequal near eye; dorsal fiu divided almost to base, the spines 

 high ; preopercle serrulate. A single geuus found on the coast of Brazil. 



(t. Short snout ; preorbital narrow ; dorsal spines, 12 ; anal fin small ; caudal forked. 



BORIDIA, 30. 



Subfamily VIII.— M.enIxV.k. 



(Sparidd^ with the premaxillaries greatly protractile, their spines 

 extending backward to the occiput.) 



B(((ly (tblong or elongate, covered with moderate or snuill ciliated scales; month 

 UKidcrate or small, extremely protractile, the spines of thci prenuixillaries extending 

 liackward to the occiput; teeth small or wanting; dorsal continuous or divided, the 

 spines very slender; preopercle entire ; intestine short, with few pyloric couca. 



Shore iishes, chiefly of the Old Worbl. In the form of the mouth they present 

 analogies to the (ivrv'idw. 



a. Jaws with teeth; dorsal sjjines Aery feeble. 



h. Vomer with minute teeth; body oblong, compressed; dorsal lin continuous, 



its rays xi, 11 [Ma:na, 31.] 



hh. Vomer withcuit teeth. 

 V. Dcnsal fin with its outline nearly continuous, its rays xi, 11; body com- 

 pressed ; scales moderate. 60 to 70 [Spicaka, 32. J 



vc. Dorsal lin divided to l)asc, its rays xiii, 0; body subcylindrical ; scales very 



small (about ilO) [Cknikacantiu'S, 33.] 



aa. .laws toothless; dorsal fins, 2; tlie spines very slender, about K) in number; 

 body elongate; lower jiharyngeals with eardiform teeth. 



ICkythkichthvs, 34. 



