Hn 



TIIOS. I,. CASKV. 



than Iii'ikI iitnl prutlKirax ti>','''tlii'r, ohtiHi'ly rDiiiiiii-d licliiiid ninl iMitiri'j !<i(|i'^ 

 iii'iii-ly piinillc'l ; strino ('liiil. Sculclliwii iriiiinruliir. Aiiti'iiiiac % i-qmil in li'nijlli 

 Ic) (ilytni ; t'lr-'f Juiiit l(i'(Pinl, I'lpial in I.'M'.'IIi tn eye; riccdiicl jcint siili-nlniinlar, 

 fliinl iiiirniwiT. niiu'li ("lonijntcil nml ru-<ii;iriii, fniirtli to ci^lilli .fiili-ci|ual, last 

 tlirri- >iiililcnly i'iil:iri;ivl : tiiiilli anil tenth joints |K'i'i'eplit)ly llattoiii-il ; cli-viMith 

 cylinilfical ami uIiIihil'. 'I'ln' fiMiiali' illU'crs ffuni tin' riialc in the anti-tinai-, wtiicli 

 all! iiini'li slmrliT, anil in wliii'li tlii'iv is im lialtrnin;; "f llii' niiitli ami teiilii 

 Joints; Ihn socimil joint is larijer anil ni'arly i;l"iliular, ainl tlii> tliiril is much nar- 

 riiWiM", ami nf tin- s.uni' li'n;{tii as thi' si'i'h.hI. Thi' I'lyira nvi- aUn |>riipiirtiiinallv 

 limiriT. Iii'nu'th I.I - 1.7 inni. 



Plate VI, V'vj:. I. Suutli.Tii Stilt. 's. 



Ill rr'jiinl III till' |in'|MHiili'raiicc in l<'iii;tli of tin' tliinl nvcr tlic s'cuthI 

 jiiiiit (il'tlic aiitcmiac. tliis sja'cics ^'ivcs u.-. the uiily cxccptioti to the u'l'ii- 

 ( rill rule nl" divisiiin A. in wliicli it i.x rt'iranlnl ii.'< (ipiiiiiion to hotli .icxos. 



7. li. IIIO<IC!*tU» (>^ay). — Hoily i>liiTiuati'il..lark ti'sl.ireiHis, li-rrs anil MMli'iinai' 

 saini' : siilos j)arHll<'l. Surfaco ni'arly i;lalinais, sliinini; ainI s|>Mrs(>ly, lliiiiit;h 

 ratlior ili'i-ply piini'tiirecl ; elytra fnven-striolate. Iloail suli-i|iiailrale, Iraii.sverso 

 t;ri>i«vi' Very ileop, nieilian line faint : eyes small, ennvcx. pniminenl ami sitnaleil 

 riiu'lilly in ailvanee of the pnsforior amrles of heail. rr-ilhnrax slightly narrowed 

 lieliiml, quadrate: anterior angles rounded, posterior very |)rominent; side.s mod- 

 erately areuatc ! lateral striae very distinct. Klytra ei|inil in width to prothorax, 

 eli>ii'^ateil, sides ]iarallel ; squarely trinieated liehimi.and leavini; nearly the entire 

 tiflli ventral se'.'inent exposed. Antennae % equal in length to the head, protho- 

 rax and elytra loue'her, very slender and liliform, last seven Joints almost exactly 

 equal; lirsl equal in lenu'lh to last, hut ahout twice as thick; all moderately pu- 

 lieseonl. AntiMinae of 9 same as 'J, , exccptini; the Iciiiith. which is eipial to thd 

 of the elytra and projecting alidomiiwil jiortiiui tou'ither: the eighth jfiint is also 

 perciqitilily smaller than the seventh, and the last three are almost impen-eptilily 

 enlarged. The first four ahdominal sepments in hoth sexes are short and equal, 

 the fifth is almost eqi,i:il in leiiu'tli to the first four to!;ether. Sculellum small, 

 suli-tiiansular. Length l.s— L'..", nim. 



Plate VI. Fio. '). 



A coiiiindn. hroadly dift'iiscd, and woll-iiiarkod spocio.x. Tlicro seoiiis 

 til he nil fliitteiii'iir in tlii> toriiiinal joints of the iiiitcnnju'. 



S. t. COllve.'CllIllS T'ce. — Form hroader and much more convex than that 

 of the pr>ceiliuii species. Body, Icfjs and antennae dark lirownish teslaceuus, 

 shiniiur. I'unctures on head sparse and coarse, those of prothorax closer and finer; 

 elvtra foveo-strinhite. Head suh-trian^iilar : eyes small, in advance of posterior 

 anijles ; lr!in*vorse groove and median line rather ohscure. I'rothorax convex, a 

 little hroader than head, slightly narrowed hehinil and very short; sides very 

 arcuate anteriorly ; anterior angles projecting in the form of well-marked teeth ; 

 posterior angles also prominent ; lateral striae not very distinct, fjlytra equal to 

 twice the length of liciid and prothorax toge her, much hroader than the latter, 

 entire, and evenly rounded behind; sides jiarallcl, slightly arcuate ; surface eov- 

 i-red spiirsely with rather long setae arranged in rows. Sciitellum evenly rounded 

 lichiml, large. Antennae rather shorter than elytra, last three joints abruptly en- 



