AMERICAN COLEOPTERA. 35 



rather more than half its length attached to the tip and semi-anchy- 

 losed, inner margin near the tip trituberculate »nd with short spines. 

 Palpi three jointed, first joint as broad as long, second equally stout 

 but longer, third joint more slender and nearly as long as the 

 second. 



Mentum small, oval, coriaceous at tip, slightly concave. Palpi two 

 jointed, joints rather slender and nearly equal, the terminal being 

 slightly more slender and longer tlian the preceding. 



Prothorax semicircular, feebly convex, margin translucent and 

 slightly reflexcd except at middle of base, median line rather deeply 

 impressed and with an oblique sinuous impression on each side. 

 Apex rather deeply bisinuous and near the angles with small setiger- 

 ous tubercles. 



Mesotuorax half as wide as the prothorax, as wide as long, 

 sides feebly arcuate and gradually but feebly narrowed to front. 

 Surface with a single semi-corneous plate with distinctly impressed 

 aiedian line. 



Metathorax as wide as the mesothorax but shorter. 



Abdomen. — Segments 1 — 4 equal in width, but gradually longer, 

 each with two feebly semi-corneous plates. Fifth segment slightly 

 broader than the others, gibbous posteriorly, plates larger, on each 

 side of middle two acute hooks directed anteriorly the inner smaller, 

 posteriorly a row of small setigerous tubercles. Segments 6 — 9 gradu- 

 ally shorter and narrower, anal segment more corneous, truncate at tip, 

 anal opening terminal. 



Spiracles as in AmhJycliUa. 



Legs not notably different from AmhJijchlla but with rather longer 

 terminal claws. 



Specimens of this larvae were kindly placed at my disposal by the 

 Museum of Comparative Zoology at Cambridge. 



Ciciiidela repanda, Dej. 



Color yellowish white, head piceous, thorax slightly bronzed. 



Form as in Tetracha. Length .0(3 inch; 16.5 mm. Plate II, 

 fig. 4, 4 a to 4 d. 



Head triangular, hind angles obtuse, corneous, concave above, a 

 strongly elevated transverse ridge posteriorly and a feeble longitudinal 

 impression on each side. Frontal margin with prominent middle lobe 

 with sides slightly convergent, on each Side a vei-y feeble tooth at base, 

 lateral lobes feebly prominent limited within by a moderate tooth. 

 Head at sides moderately deeply sinuate, hind angles obtusely rounded. 



