Knlozoa from Birds in Utjanda. 



465 



Tlie neck is very sloiuler and is unsegmented for from 

 04-l*0 nun., accorilin<^ to the state of contraction. The 

 segnK'iits are broader than lon;^ throuf^huut the strobila, 

 except in some cases the hist tlnec or tour ;,navid .s<'p;nient3. 



liuilinicnt.s of genital organs begin to appear at al)out the 

 Imndredth segment. The genital pores me strictly unilateral. 

 The cirrus-sac measures ()• 1 mm. x 0"()5 mm. The testes are 

 very large and si.x to eight in number. 



8. Davainea b^canistisj sp. n. 



Host : Bijcanistes siibtjuadratus. (Ilornbill.) 



'Jills sj)ecies reaches a length of about 14 cm. and has a 



maximum width of 2 mm. The scolex (lig. G) measures 



0*27 mm. across, and the diameter of the suckers is 0'088 mm. 



Tiie latter are armed with several rows of hooks, 13 fi in 



Fig. 6. 



^^ 



Davainea bi/canistis ; tho acolex, highly magnified. 



length. The rostellum is 0'15 mm. in diameter and bears a 

 double crown of hooks ly fi long. 



Segmentation begins at about 1 mm. behind the scolex. 

 The segments are broader than long throughout the strobila, 

 excejit the last few gravid segments. The genital pores are 

 strictly unilateral. There are twelve to fouiteen Inige testes 

 in each mature segment, their diameter being aliout UU7.')mm. 

 'J'he cirrus-sac is rather elongate, lias a muscular wall, and 

 contains a very muscular cirrus. The dimensions of the sac 

 are about 0"2 nim.xO'OG2 mm. The female glands form a 

 small c<niipact mass in the middle of the segment. Kaeh 

 gravid segment contains some thirty egg-capsules, which 

 measure aljoul O'l mm. in dianieter, and contain each four to 



