136 KECttUD.S UF Till; ALSTKALIAN M LsK.LM . 



Copulatory appendages (PI. xvii., tigs. 53-55) : — Tracheal 

 stalk of anterior gonopods (ts.) slender, curved outwardly. 

 Proximal ])art of the venti-al plate in shape of a semicircle, 

 bearing a digitiform process equal in length to the proximal 

 part. Distal expansion of coxa wide and short, not exceeding 

 the length of the A-entral plate ; the proximal angles produced 

 into an endoskeletic process (e'<k.) about as long as half of the 

 tracheal stalk. Tibia (T.) in a line with the femur (Ftnu.j, 

 comparatively long, tapering, tipped with an equilateral 

 triangular piece not quite one tliird of the length of the tibia, 

 and projecting with its full length beyond the apex of the 

 coxal expansion. 



Posterior pair (PI. xvii., fig. 55) of gont)pods of the known 

 form. The distal joint ends in two fiagelliform, gradually 

 tapering branches, of which the inner is less than half the 

 length of the outer. Tracheal stalk long, slender, curved 

 distally. 



Female unknown. 



New Guinea. 



DiNEJIATOCRICrs LAKCEOLATUS, sp. nor. 



(Plate xvii., figs. 58, 59 : Plate xviii.. figs. 60-64.) 



(a) J" mat.: length 71 mm; diameter 7 mm; 52 seg- 

 ments ; one segment apodous ; 95 pair of legs. 



(b) ^ mat. : length 73 m/m ; diameter 7.50 mm ; 51 seg- 

 ments ; one segment apodous ; 98 ])aii' of legs. 



(c) (^ mat. ; length 85 m ni : diameter 8.50 m m ; 51 seg- 

 ments ; one segment apodous ; 93 ])aii' of legs. 



Chestnut to bi'own. with black limbs. Head generally 

 darker than the body, brown or blackish -brown, often showing 

 a median band and some spots of the paler ground colour. 

 Body cylindi'ical ; posterior end gradually compressed. In- 

 teguments modei-ately shining. 



Head smooth, with a very weak median sulcus. Four lal)r;il 

 setiferous dimples. Ocelli small, congregated on a subcircular 

 Held, numbering about forty-four to forty-seven, arranged in six 



or seven sci-ies (8 + 9 + 8-1-8 + 64-5— 7 + 8+8-|-8-f7 + 6+3). 



