212 Mr. J. O. Westwood's Descriptions 



dibles, and especially the gradually-formed six-jointed club of the 

 antennjfi. 



No figures having been hitherto published of the genus, 1 have 

 added outlines of both sexes and details in the accompanying 

 plate. 



Fig. 6, Cacflstonnii sqitumosui, male, mag. nat. 6a, maxillaiy palpi, mentum and 

 labial palpi of the male. 



Fig. 7, female, mag. nat., 7 a, mandibles j 7 h, maxilla.* 



Sp. 14. Sclerostomiis caviceps, Westw. (Plate XII. fig. 6, mas; 



fig. 7, foem.) 

 Piceus, obscurus, capite et pronoto maris nitidioribus, irregulariter 

 punctatissimis, elytris costis tribus elevatis parum distinctis, 

 capite maris magno profunde excavato, pronoto antice dila- 

 tato subcucullato. 



Long. Corp. maris cum mandibulis lin. 8 ; foeminae 6. 



Habitat in Nova Zealandia. 



In Mus. Westw. 



Mas. — Piceus vel potius nigro-castaneus, punctis luteo-villosis. 

 Caputmagnum,latitudine elytrorum glabrum,punclatissimum, 

 vertice excavatione magna, totum occiput includente, notato, 

 tuberculo utrinque prope basin mandibularum terminato ; 

 angulis anticis lateralibus rotundato-deplanatis oculos fere 

 omnino cantho dividentibus ; lateribus pone oculos rotundato- 

 dilatatis. Labrum parvum, transversum, angidis lateralibus 

 rotundatis, ciliatum punctatum. Mandibulae crassae curvatae, 

 capite paullo breviores corapressae, margine infero dentibus 

 tribus obtusis ; supero in dentem latum apicalem ampliato. 

 Antennae breves, clava 3-articuIatae ; maxillae parvae setosac, 

 mandone inermi. Mentum semicirculare, grosse punctatum, 

 Prothorax magnus, antice dilatalus, margine antico porrecto 

 elevato, punctatissimus, dorso in medio longitudinaliter im- 

 pressus, impressione punctis majoribus et fere conjunctis, 

 lateribus subsinuatis ; angulis anticis et postici^ vix acutis. 

 Scutellum parvum, semicirculare. Elytra brevia, subconvexa, 

 punctatissima, punctis interdum confluentibus, angulis anticis 

 lateralibus extus paullo porrectis, singulo costis tribus parum, 

 elevatis et vix distinctis (praesertm exterioribus). Pedes 

 mediocres, tibia; anticae 7-denticulatse ; intermedia; dente 



* I have not had an opportunity of examining the maxilla of the male, but 

 as that of the female is simple, without a liorny hook, I have no doubt that of 

 the male is equally unarmed. 



