|.> .JOUKNjUj ok KNTOMOI.OGV and ZOOl.UOY 



,,f ivacli iif a iK'1. 'I'll.' iiHition of in.li\ i.liial spc-imcis in a 

 swanii \ari('s at dirrci-ciit limes, now hcin,;;- a slow S. luiw fast. 

 One or iwo sccukmI to cnpnlatc in niiilair; this was done so 

 rapidly. Iin\vc\ci-. thai it is not cci-tain. tlie inci-c so as it is so 

 different from the matin- ir'd)its of the eh.sely rehited Jh.ni- 

 tnina. 



The rearin- of this niat<'rial to the adnit s1a-e was ae.'om- 

 plished hy Mr. l.io\(l: tlie hiolo-i.^al note, herein -iv.^n. the 

 te,'hnieal (h'seriptions an,l the li-ures are hy Mr. .Mexandei'. 



We wish to express onr sincere thanks f.,r the kind help and 

 adviee .-iiveii to us hy Dr. Xeedham .hirin- the pi-o-ress of this 

 study. 



DF.SCUIiniON OK TTIK Si'ECTKS 



dnununi clKinnlrrs of Ihc hi rra— Thv l.ody is rather stout, 

 yellowish, with a conspicuous hi'onzy sheiMi. 'I'he lieadcapsuk- 

 (piato T. li-ure A) is h>u- and narrow, and when retra.'ted is 

 completely con.valed in the lli'st thoi-aeie se-ment. only the 

 tips of tlie Ion- apical maxillai-y lohe projecting The mand- 

 ihles are Ion-, acutely pointed, decussate, pi-ovided with teeth 

 on the inner hasal half (a). One of the lohes of the maxiihe 

 (c) is prolou-ed c.'phalad in a Ion- Hat, i)lade like appenda,-e. 

 The anteiUKP (h) are rather Ion- .•ylin.lrical. The framewoi'k 

 of the head eoii.sisfs of a i)road plate (Ui either side in front, 

 herein deserihed as tlie -enal plate (e). and \\\n Ion- hars of 

 chitiu extendin- hackward on eitliei- side, one of these hars 

 occupyin- a dorsal position, the other constitntin- the lateral 

 mai-.-in of the capsule. The entii-e mental re-ion seems to 

 lack ehitinized pai'ts.- 'IMie Cauda (plate I. li-ui'es M.) 

 has the sti-mal tield ['wv fi'om lohes in Jmit/iioniis or with four 

 h.hes in the other species. 



CoDniioii cliardctcrs of the pupct — The head is pro\ide(l with 

 a .ifroup of lobes herein spoken of as the cephalic crest (plate 

 11, figure A. a). Sjtines or tuhereles occui- in the different 

 species on tlii' scape of the auteima. the tentorium, the elypeus. 

 the eye, the thoracic s<-ntellum, etc I'ronotal hreathini>--horns 

 -hort. cylindrical {loiigunrnis), Ion- cylindrical (fitlloneHsis) 



