PYCNOGONIDA— CALMAN. 



45 



half tlie length of cephalic segment, much wider than long, slightly swollen over base 

 of each chelophore. Ocular tubercle conical nearly from the base, not much taller 

 than its basal diameter ; anterior eyes hardly larger than posterior. 



Proboscis directed obliquely downwards, slightly inflated, conoidal at apex. 



Abdomen almost vertical, cylindrical, blunt. 



Chelophores with scape undivided, palm of chela half as long as scape, movable 

 finger with its distal or outer surface greatly swollen for two-thirds of its length, 

 but bearing only a very few minute setae. 



Palp an elongate papilla wedged in between bases of chelophore and oviger. 



Ovigers composed of seven segments ; fourth and fifth equal, each more than half 

 as long again as third, sixth little more than half as long as fifth, greatly dilated, 

 pyriform, its greatest width twice that at the base, pale in colour and soft, set with 

 minute recurved setae ; seventh segment forming a small soft papilla on distal surface 

 of sixth. 



Legs long and rather slender. First coxa with posterior corner of distal margin 

 on dorsal side produced and conical. Second coxa much longer than the other two 

 together, with a well-marked gland-tubercle about the middle of its upper surface 

 and the distal end produced ventrally into a large acutely conical process which, in 

 the last two pairs, carries the genital aperture on its proximal slope near the apex. 

 Third coxa with lower distal angle also produced but less acute. Femur and first tibia 

 and, less distinctly, second tibia, with three conical tubercles at distal end above, and 

 one obscure tubercle on each side below, the lateral line. Opening of femoral 

 cement-gland not detected, no projecting duct present. Second tibia with a distinct 

 distal fringe of spines below. Propodus with ventral spines increasing in size from 

 base for two-thirds of its length, beyond which is a group of smaller spines. Main 

 claw about two-thirds as long as propodus. No auxiliary claws. 



Surface of body and limbs smooth and naked, with only a few scattered spinules 

 on the legs. 



Measurements, in mm. — 



Length of proboscis 



Greatest width of proboscis 



Length of cephalon 



Width of cephalon . 



Length of cephalic segment 



Length of trunk 



Width between first and second lateral processes 



Width across second lateral processes . 



Length of abdomen . . • • 



Length of scape of chelophore . 



Length of palm of chela .... 



