CHEILODIPTEKID FISHES — SCHULTZ 405 



6e. Anal rays II, 13 to 17 ; teeth in lower jaw short, conical, hooked 

 inward, and arranged in 1 irregular row posteriorly on dentary 

 and in 2 such rows anteriorly, outer row smaller than inner; 

 1 or 2 irregular rows of short, conical teeth in anterior part of 

 upper jaw, followed by a wide band of villiform teeth poste- 

 riorly ; operculum with 2 vei-y weak spines ; preoperculum with 

 double edge, the posterior edge strongly serrated at angle and 

 ventrally ; scale rows crossing lateral line about 23 to 28 ; anus 

 just in front of origin of anal fin or as far distant as diameter 



of pupil Archamia Gill, 1863 



Gd. Anal rays II, 8 or 9; teeth small, equal, and pointed, uniserial in 

 jaws ; operculum with 3 or 4 short spines dorsally at rear edge 

 near flap; preoperculum with double edge, lower angle pro- 

 duced ; spines in first dorsal VII or VIII ; vent closer to orig-iu 



of anal than base of pelvics Oxyodon Brauer, 1906 



4b. Canines present in jaws. 



7a. Anal rays II, 25 ; dorsal V or VI, I, 15 to 19 ; scales about 70 ; 

 a single series of canine teeth in lower jaw, some of which 

 are enlarged posteriorly ; 2 pairs of enlarged canines at sym- 

 physis just inside marginal row of teeth at front of upper 

 jaw ; sides of upper jaw with very small canines along margin, 

 inside of which is a narrow band of villiform teeth (fig. 19, d) ; 

 preoperculum without double edge; maxillary not reaching 



to under front of eye Dinolestes Klunzinger, 1872 



76. Anal soft rays fewer than 20; teeth not as above; maxillary 

 reaching to at least under front of eye. 

 Sa. Lateral line complete and not internipted. 



9«. Spines in first dorsal VI ; scales fewer than 35 ; vent 

 closer to origin of anal than base of pelvics ; preoper- 

 culum with double edge, posterior margin near lower 

 angle not produced. 

 10a. Tip of lower jaw with a few enlarged canines. 

 11a. No band of villiform teeth in lower jaw ; lower jaw 

 with a single series of large conical teeth, a few of 

 which are enlarged canines widely spaced on sides 

 of jaw and between which are small conical teeth 

 in an irregular row ; a pair or two of enlarged 

 canines occur at symphysis of lower jaw; canine 

 teeth in upper jaw in a group each side of a small 

 toothless space at symphysis, no villiform teeth at 

 tip of upper jaw, but following the canines occurs 

 a wide band posteriorly (fig. 20, a). 



Cheilodipterus Laeepede, 1802 

 116. Villiform teeth in lower jaw in a band along sides but 

 none at symphysis ; lower jaw with 3 or 4 enlarged 

 canines along midsides between which are villiform 

 teeth ; tip of lower jaw with about 3 pairs of en- 

 larged canines ; canine teeth in upper jaw located 

 each side of symphysis in 2 or 3 pairs, anterior ta 

 w^hich is a pair of patches of villiform teeth with a 

 toothless space between ; sides of upper jaw with a 

 band of villiform teeth (fig. 20, 6). 



Chsilodipterops, new genus 



