\ 



206 



Anterior a iitennce T:G3,ch to the end of the fiirca (the distal 

 part of the prehensile antennae was lost in my specimen ). The 

 right antenna 25-jointed. Length of the joints in 0,005 millim. 

 2 3 4 5 6 7 8 9 10 II 12 13 14 15 16 17 18 19 20 

 3>5 4>5 7;5 7.5 6 6 6 6 6 9 9 14 14 18 18 18 18 20 16 

 21 22 23 24 25 

 16 15 15 15 9 



Posterior antennce as in the female. 



Mandibtc. Ri 2 and 3 uniting, else as in the female. 



Maxilla as in the female. 



Fi)st niaxilliped as in the female. 



Second maxilliped. — Bi somewhat shorter than B2. Ri as 

 long as B2. Else as in the female. 



Natatory legs of the i-^th paiis. — Proportional length of the 

 three joints of Re and Si : — 



Re I 

 Re 2 

 Re 3 



St 

 Else as in the female. 



Fifth pair of legs similar to that of L. grandis and L. clausii. 

 Ri of the right leg loaf-like, with 6 sets. The margin and the 

 flat side with patches of small stiff hairs. B2 of the left leg 

 protracted mside into a spine-like processus. 



Scolecithricella neptuni, C:e, n.sp. 



Diagn. of the female. Head without crista, anterior antenna 

 22-jointed. Teeth of the masticatory apparatus of the mandible 

 with close long and stiff hairs. Spinules on the natatory legs few 

 and delicate. Fifth pair of legs 3-jointed, the third joint ending 

 in three triangular spines, two articulating and with some few 

 spinules, one hairy. Length 1,4 millim. 



Diagn. of the male. Head without crista. Anterior antennae 

 23-jointed. Masticatory apparatus and natatory legs as in the 

 female. Fifth pair of legs : left and right leg of equal length, 

 so also the Bi ; B2 of both legs of about the same thickness 

 throughout. The right leg with rudimentary Ri and a falci- 

 form Re I as long as B2. The left leg with a long curved Ri 

 and a short 3-jointed Re. Length 1,2 millim. 



Description of the female. — Body in length 1,4 millim. 

 (anterior part 1,1, posterior part 0,3 millim.), clumsy, its 

 anterior part being highly vaulted, 5-jointed (length of the 

 joints 0,5 ; 0,18 ; 0,15 ; 0,12 ; 0,13 millim.). Abdomen short, 

 the genital segment as long as the three following together. 

 Furca slightly longer than broad. 



