238 ENTO.MOI.OCISK IIDSKKIKI' 1 QO I . 



2. Koenenia Wheeleri A. Ri i kkr*; temale. 



Fig. 2 a. Head seen from below, x 70. Tlu' basal joint ut' the three an- 

 terior pairs of appendages on the left side of tlie figure and the 

 coxiv of the fourth pair arc drawn, but the limits between the 

 sternal plates and the mend)ranous skin are not indicated; j'. fron- 

 tal sense-organ. 



— 2 b. The left grou]i of lateral sense-organs seen half tVoin the side, half 



froin above, X 310. 



— 2 c. Distal half of the right antennal chela, seen from below (or be- 



hind), X 290 ; /. jjrocess on the dorsal side adorned with a long 

 seta, which is omitted. 



— 2d. Left palpus seen from the outer side from behind), x 172: m. 



metatarsus, ta. tarsus. 

 ■ — 2 e. Left leg of first pair seen from the outer side (from behind , X 

 172; m. metatarsus, s. its stiff seta, /. tactile hairs. 



— 2 f Biramous hair from the fourth metatarsal joint of the first pair of 



legs, X 390. 



— 2 g. Left leg of the last pair, seen from the anterior side, X 172; iii. 



metatarsus, s. its sensory seta, ta. tarsus. 



— 2 h. Abdomen seen from the left side, x 52; /. ventral sacs. 



— 2 i. Aljdomen seen from below (the first segment omitted', x 5^'' /• 



ventral sacs. 



— 2k. Complete flagellum, x 78; most of the very long seta- are omitted. 



— 2 1. The two last joints of the same tlagellum. x 184. 



PI. 3. 

 I. Koenenia Wheeleri A. Ri ckkk (^contin.). 



Kig. I a. I-",nvironmcnl of the genital opening in the female, seen from the 

 left side, x 200; 3. second segment, j*. third segment. 



— I b. Environment of the genital o])ening in the male, seen from the 



left side, x 200; _' — 4. second — fourth segments, /. ventral sac. 



2. Koenenia chilensis n. s]). (probably immature), 

 fig. 2 a. Sense-organs of the lateral group on the left side of the head, 



X 350- 



— 2 b. Portion of the large cephalic sternum witli the hairs, x 177. 



— 2 c. Distal part of the right ])al|)us, seen from the outer side, x 1 16; 



III. metatarsus, la. tarsus. 



— 2d. Distal part of the left leg of the first jiair, seen from the outer 



side (from behind), x 116; ;//. metatarsus, s. the stiff seta on its 

 third joint. 



* As to the name on the j^lales the reader in referred to the post 

 script, p. 232. 



46 



