HANSEN AND SÖRENSEN, THE TARTARIDES. 69 



b. Head on each side with an eye possessing a convex: 

 vitreous cornea. 



9. Trithyreus Cambridg-ei Thor. 

 Iiiiuuiture Female (mutilated). 



Pl. 7., figs. 3 a— 3 d. 



1889. Tripeltis Cambridgei Thorell, Ann. Mus. Civ. Genova^ 

 Ser. 2., Vol. VIT, p. 559, Pl. V., figs. 1-3. 



Ceplialothorax. - Head on each side with a whitish eye, 

 possessing a vitreous cornea which is more convex than the 

 surrounding skin. 



Palps. — Moderately slender (fig. 3 a), a little less than 

 half as long as the body. Trochanter (fig. 3 b) has the lower 

 anterior part somewhat produced, the anterior margin is straight, 

 the angle sharp and nearly 90°. Femur has the lower margin 

 moderately convex, the angle is rounded and about equally 

 distant from both ends of the upper margin of the joint. 

 Patella somewhat less than three times longer than deep. 

 Claw not fuUy half as long as the upper margin of tarsus. 



First Legs. — Moderately robust (fig. 3 a), only rather 

 little longer than the body. Coxa terminates somewhat behind 

 the outer angle of the mandible. Femur slightly longer than 

 tibia. The foot had been löst before I saw the animal; ac- 

 cording to Thorell it is nearly -/s as long as tibia, metatarsus 

 is »long but evidently shorter than» tarsus, the terminal joint 

 about as long as the sum of the two preceding joints. 



Fourth Legs. — Nearly longer than the body; femur 

 slightly more than two and a half times longer than deep 

 (fig. 3 c). 



Flagelhim. — Slightly less than four times longer than 

 deep, three-jointed (fig. 3 d); second joint much shorter than 

 the first; third joint somewhat longer than the sum of the 

 two others. Setse löst. 



Measiiremeiits. — Body 3.7 mm.; palps 1.:.^ mm.; first 

 legs without the foot 3.. 5 mm.; fourth legs 3.8 mm. 



Colour. — Thorell writes: »Cephalothorax sordide olivaceo- 

 fuscus est, parte postica olivaceo-cinerea, ut scuta ahdominis 

 dorsualia et pars ejus caudalis; inandihulae et palpi ejusdem 



