154 Trayisactions. — Zoology. 



Limnia striata, sp. nov. 



Vertex and antennae bright-tawny ; frontal band the same 

 or darker ; a transverse band, just above the antennye, brown. 

 Thorax pale-yellowish, with four longitudinal dark-brown 

 bands, the two middle ones rather approximated ; the sides 

 yellow. Fore coxae and sides of the face white. Halteres- 

 tawny. Abdomen brown. Legs tawny, the tibiae slightly 

 tipped with brown ; the hind tarsi dark-brown ; sometimes- 

 the middle tarsi are also dark-brown. Wings nearly white, 

 with brown spots ; the marginal cell with four large spots 

 outside the subcostal cell and two small spots inside it. 

 These are not ocellated. Submarginal and first and second 

 posterior cells with ocellated spots. The other cells with 

 simple spots; cross-veins broadly margined. Length, 5 mm. ; 

 wing, 5 mm. 



Longbeach, among grass near the sea. 



Art. XIII. — On a New Weta from the Chatham Islands. 

 By Captain F. W. Hutton, F.E.S. 



[Read before the Philosophical Institute of Canterbury, 4th November,. 



J 903.] 



Pleioplectron serratum, sp. nov. 



Joints of the antennae cylindrical in l)oth sexes, broader 

 than long near the base. Pronotum and mesonotum not 

 margined. Fore and middle femora unarmed below ; the 

 hind femora with fifteen teeth below in each row, those of 

 the outer row smaller than those of the inner ; fore and 

 middle tibiae with three pairs of spines below, none above ; 

 hind tibiae slightly grooved above, with 16 to 20 red spines, 

 nearly regular in size. Subgenital plate of the male trans- 

 verse, with a long stout process, rounded at the end, between 

 the styles. The subgenital plate of the female is hidden. 



Colours, fuscous-brown, the face and palpi pale ; antennae 

 fuscous. No pale line on the pronotum. Legs pale-yellowish, 

 the hind femora usually with some fuscous markings. Total 

 length of the male, 32 mm.; of the female, 27mm. Length 

 of the pronotum, J 15 mm., $ 6^ mm.; of the thorax, 

 <y 17 mm., $ 15 mm.; of the abdomen, <? 15 mm. $ 12 mm.; 

 of the ovipositor, 14 mm. Length of the fore tibia, J 9 mm., 

 2 7-Bmm.; hind tibia, J 18 mm., J 15mm.; of the iund 

 femur, J 21mm., 9 16-17 mm. ; width at mesonotum, 

 (J 9 mm., $ 8 mm.; length of the antennae, 45 mm. 



Collected on Pitt Island and presented to the Christcliurch 

 Museum by Mr. J. J. Fougere. 



