366 EXTERNAL ANATOMY OF INSECTS. 
ili. SuBFactEs (the Subface). The lower surface or under- 
sideof the head*. It includes the Zora and Jugulum. 
1. Lora ‘the Lora). A corneous angular machine ob- 
servable in the mouth of some insects, upon the in- 
termediate angle of which the Mentum sits, and on 
the lateral ones the Cardines of the Mazilie; and 
by means of which the Tvophz are pushed forth or 
retracted>,—Ex. Hymenoptera. 
2. Jucutum (the Throat). That part of the subface 
that lies between the temples *. 
iv. Coti.um (the Neck). The constricted posterior part 
of a pedunculate head, by which it inosculates in 
the trunk’. It includes the Nucha, Gula, and 
Myoglyphides. 
1. Nucua (the Nape). The upper part of the neck*. 
It includes the Myoglyphides. 
A. Myoctypuinss (the Muscle-notches). Notches in the 
posterior margin of the neck, usually two in num- 
ber, observable in Coleopterous insects, to which 
the levator muscles are attached‘. 
2. Guta (the Gula). 'The lower part of the neck®. 
vy. CepHaLopHracma (the Cephalophragm). A Y-shaped 
partition that divides the head internally in Locusta, 
into two chambers, an anterior and posterior. 
IJ. TRUNCUS (The Trunx). 
The Trunk is the intermediate section of the body, 
a Prate VI. Fie. 2, 8. é. 
> Prate VII. Fic. 2,1. Mon. Ap. Angl. i. é. xii. f. 1. a, e. 
© Prate VI/F ic. 2,-m. 4 [bid, i. e Tbid. n. 
f Prate XXVII. Fie. 1, 3, 4. n’. é Prare. VI. Fie. 2. 0. 
