314 ORISMOLOGY. 
c. CONGLOMERATE (Conglomerati). When a number 
of simple eyes are collected together so as to exhi- 
bit the appearance of a compound one. Ex. Julus. 
PuatE XIII. Fic. 11. 
d. Donsau (Dorsales). When they are placed on the 
back. Ex. Phalangium. Puate XXVI. Fic. 43. h. 
2. Compounn (Compositi). Eyes which consist of an 
agoregate of hexagonal lenses. Ex. All the Winged 
Orders. Puate XIII. Fic. 10. and X XVI. Fic. 
38—42 h. 
a. SESSILE (Sessi/es). Eyes that do not sit upon a 
footstalk. Ex. Most insects. Puate XXVI. 
Fie. 40, 41. 
a. SUPERIOR (Superiores). When they are placed in 
the upper part of the head. Ex. Lbellulina. 
6. Laverna (Laterales). When they are placed in 
the szde of the head. Ex. Apis L. 
y- Inrertor (Inferiores). When they are placed in 
the lower side of the head. Ex. The dower pair in 
Gyrinus. 
6. Posterror (Posteriores). When placed in the pos- 
terior part of the head. Ex. Locusta Leach. 
«. ANTERIOR (Anteriores). When placed in the ante- 
rior part of the head. Ex. Crabro F. Staphylinus 
olens, &c. 
¢. Mepiau (Mediz). When placed in the middle part 
of the head. Ex. Harpalus, &c. 
y. Beitine (Cingentes). When the eyes nearly meet 
both above and below the head, so as to forma 
kind of belt round it. Ex. Culex pipiens, Calan- 
dra Palmarum. 
§. ImmERsED (Jmmersz). When they are quite im- 
bedded in the head. Ex. Tenebrio L. 
