62 



B. IV. Kunkel, 



Insula antennulella sp. nov. 



Eyes compound, situated close to anterior margin of head, deeply 

 pigmented ; lateral lobes of head not developed. 



First antennae about ^/^ as long as body ; peduncle short and 

 scarcely to be differentiated from flagellum, first joint broader than 

 long, second about as long as broad and narrower than first, third 

 joint as long as second, about ^/a as broad as second and scarcely 

 differing from joints of flagellum which number 4. Second antennae 

 longer than first and stouter, peduncle longer than flagellum, third 

 joint stout and slightly longer than wide, fourth joint more slender 



Fig. 22. Insuld aniennnlella sp. nov. 



than third, fifth joint small, slightly shorter than preceding and very 

 similar to first joint of flagellum which is made up of 5 joints. 



Mandibles moderately stout, with principal cutting edge divided 

 into 5 teeth and with secondary cutting edge short, deeply incised, 

 molar tubercle very large and cyhndrical, palp absent. Lower lip 

 without inner plates and with outer plates broad, mandibular pro- 

 cesses short and not prominent. First maxillae with inner plate 

 slender, triangular, with 2 setae apically, outer plate large, armed 

 with pectinate setae on oblique distal margin; palp weak, 1 -jointed, 

 not extending as far as outer plate. Second maxillae of usual form 

 with narrow plates provided with setae on apex. Maxilhpeds with 

 inner plates narrow and long, with distal margin produced to form 

 3 triangular teeth and provided with a few setae ; outer plate slightly 

 longer than inner and with rounded apex, provided with setae; palp 



