4 10 ENTOMOLOGICAL NEWS. [Nov., 'l? 



region in the Apterygota, and in the prothorax of the lowest 

 Pterygota. In Fig. 2, a is the trochantin, from which the so- 

 called trochantinelle has become detached. 

 Af Antennifer, or antenna-bearing process. 

 An Antennale, or ring at base of antenna. 

 At Antenna, only portion of basal segment shown. 

 Bm Mandibulare, or sclerite at base of mandible. 

 Cl Clypeus. 

 e Curvipleurite, or curved pleurite marked off in the episternal 



region. 



Em Epimeron. 

 i Laterocervicale, or lateral cervical sclerite, divided into two parts 



in Figs. 2 and 3, the sclerite o being marked off in the posterior 



part. 



L Labium. Only basal portion shown. 

 Lb Labrum. 

 Md Mandible. 



MX Maxilla. Only basal portion shown. 

 o Posterior portion of lateral cervical sclerite. 

 PC Paracephal suture. 

 Pn -Pronotum. 

 Ps Two ventral cervical sclerites, the anterior of which is the inter- 



sternite, and the posterior one is the presternite, excepting Fig. 2. 

 Pt Pretergite, or anterior transverse region of tergtim. 

 j Region in front of prothoracic epimeron, probably homologue of 



the lateropleurite of other segments. 

 St Sternum of prothorax. 

 Tf Trophifer, or trophi-bearing segment to which all three of the 



mouthparts are articulated in Fig. I. It is a portion of the 



occipital region. 

 v The laterosternite in Figs. 5, 6, 7 and 9. In others it is a region 



connecting sternum with pleuron. 

 x Small plate in front of dorso-pleural region. 

 z Dorsal cervical sclerite, or intertergite. 



BIBLIOGRAPHY. 

 1905. BENGTSSON. Z. Morphologic des Insektenkopfes. Zool. Anz., 



29, p. 457- 



1909. BERLESE. Gli Insetti. 

 1908. BRUNNER V. WATTENWYL. Die Insektenfamilie der Phasmiden. 



Leipzig, 1908. 



1904. BOERNER. Z. Systematik der Hexapoden. Zool. Anz., 27, p. 511. 

 1902. COMSTOCK & KOCHI Skeleton of the Head of Insects. Amer. 



Nat, 36, p. 13. 



