44 



B. IV. Knukcl, 



Maera inaequipes (A. Costa, 185 Ij, Stebbing, 1906. 



1851. Amphithoe inaeguipes, A. Costa, Cat. Crost. Ital., p. 45. 

 1906. Maera inaequipes, Stebbing, Das Tierreich, Lief. 21, p. 435. 



Eyes small, rounded, compound, deeply pigmented in alcoholic 

 specimens. Interantennal lobes rather prominent and rounded. 



First antennae about ^,'2 as long as body, slender, peduncle longer 

 than flagellum, second joint rather longer than first which tapers 

 slightly; third joint very short; flagellum made up of about 18 seg- 

 ments gradually increasing in length distally; accessory flagellum 

 long, made up of 7 segments, more than half as long as principal 

 flagellum. Second antennae extending to about middle of flagellum 



Fig. 16. Maera inaequipes (A. Costa). 



of first ; peduncle about as long as that of first antennae ; gland 

 cone rather long and acutely pointed, extending to middle of next 

 segment; third joint more than ^2 as long as fourth which is the 

 longest and is very slender ; fifth joint about •^/4 as long as fourth ; 

 flagellum about as long as fourth joint of peduncle, consisting of 

 about 10 segments. 



Mandibles triangular, with all parts well developed ; palp 3-jointed, 

 third joint longest, tapering somewhat in form ; second joint slightly 

 shorter than third, about 3 times as long as broad, cylindrical ; 

 first joint longer than broad ; principal and secondary cutting edges 

 both denticulated, secondary plate rather broad ; molar tubercle very 

 large, 5 or 6 spines in spine row. Lower lip broad, having anterior 

 margin of outer ])lates incised ; inner plates large ; mandibular 



