125 



Synopsis of the species. 



I. Colour white with black markings. No scales. Posterior 

 maxillary teeth scarcely oblique, no conspicuous larger 

 ones intermingled. In the mandible 62 66 teeth in a 

 continuous series behind the hindermost fang. 7 lumi- 

 nous organs in the lateral series C. signata p. 125. 



II. Colour blackish or brown. Scales large, but very thin 

 and deciduous. 8 9 luminous organs in the lateral series. 



a. Anus slightly behind ventrals, nearer to them than 

 to anal. Posterior maxillary teeth oblique, conspi- 

 cuously larger teeth between them. In the mandible 

 a continuous series of 90 100 vertical teeth be- 

 hind the hindermost fang C. microdon p. 126. 



b. Anus in the middle between base of ventrals and 

 anal. Posterior maxillary teeth very obliquely 

 directed forward, gradually increasing in size back- 

 ward, but without larger teeth between them. In 

 the mandible a series of about 70 teeth behind 



the hindermost fang - C. acclinidens p. 127. 



i. Cyclothone signata Garman. 



Cyclothone signata Garman, Albatross Exp. XXVI. Fishes, 1899. p. 246. 

 Cyclothone signata "Brauer, Deutsche Tiefsee-Exp. Tiefseefische, 1906, p. 78.) 

 Cyclothone signata Zugmayer, Campagnes Scient. Monaco XXXV. 1911, p. 95. 

 Cyclothone signata Max Weber, Siboga-Exp. Fische, 1913, p. 19. 



B. 12 13; D. 12 14; A. 19 2O; P. 9 IO; V. 6 7. 



Height 7, head about 4 ! / 2 , eye 12, twice in interorbital 

 space and about twice in snout. Lower jaw prominent with 

 a ventrally directed spine at the symphysis. Front flat, late- 

 rally with 3 short blunt tubercles. Origin of dorsal and anal 

 opposite, before beginning of last ! /- 3 of length. Ventrals be- 

 fore middle, extending on anal. Pectorals nearly reaching to 

 ventrals. Anus before middle of body, slightly behind ven- 

 trals. Intermaxillary with 6 7 nearly equal, short teeth. Maxil- 

 lary with a row of 15 16 teeth, the teeth of the anterior ! / 3 

 of the row looking vertically downward, the remaining incre- 

 asing in size posteriorly, slightly directed forward. Mandible 

 with .62 66 teeth, in the anterior j / 7 2 larger canines, sepe- 

 rated by smaller teeth, the teeth behind gradually increasing 

 in size posteriorly. Vomer edentulous. Palatines with 3 4, 



