3*1 



I. Adrianichthys kruyti M. Web. [Figs. 98, 99, 101, 102, 



p. 376, 380]. 



Adrianichthys Kruyti M. Weber, Bijdragen Dierkunde igde Afl. 1913, Am- 

 sterdam, p. 205. 



B. 5; D. 17;. A. 25; P. 16; V. 6; L.I. ca. 7080. 



Height a little more than 4.7, head 2.8. Snout more than 

 twice in head. Eye 3.5, equal to postorbital. part of head and 

 somewhat more than concave interorbital space. Length of 

 base of dorsal equal to head without snout. Base of anal equal 

 to head without its postorbital part. Pectorals longer than head 

 without snout. Ventrals not reaching anal, equal to half snout. 

 Caudal probably emarginate. Colour in alcohol yellowish, upper 

 part of head and body coffee-brown. Snout powdered with 

 brown, as well as the fins. Length of single specimen known 

 1 10 mm. 



Habitat: Celebes (Lake Posso !). 



3. Fam. PHALLOSTETHIDAE. 



Elongate, compressed. Scales rather large. Mouth rather 

 large, strongly oblique. Maxillaries not coalesced with inter- 

 maxillaries. Pectorals placed rather high. Ventrals wanting. Cau- 

 dal emarginate. Anus anterior, in females between pectorals. In 

 males there is a complicated fleshy appendage (priapium) below 

 head and anterior part of body, on one of the sides of which 



Fig. 103. Neostethns lankesteri Regan. $ about X 1 / 3 . 



Outline with the priapium: a fleshy appendage below the head and anterior 



part of body; at the outside of the priapium the curved, rodlike 



ctenactinium. After TATE REGAN. 



(either right or left) the anus opens. The genital papilla opens 

 on the opposite side. The priapium is supported by one or 

 both cleithra and the first pair of ribs or one of them, these 

 bones being modified. Moreover the priapium is provided with 

 a complicated structure of bones, with special muscles. Of 



