ORISMOLOGY. 295 



18. LUNULET (Lunula). A small crescent-shaped spot. 



Ex. Marginal spots above and below the Second- 

 ary Wings in Melitcea Artemis, &c. 



19. RENICULUS (Reniculus}. A small kidney-shaped 



spot. Ex. Upper Wings ofMamestra Persicaria. 



20. OCELLUS (Ocellus). An eye-like spot in the Wings 



of many Lepidoptera, consisting of annult of dif- 

 ferent colours, inclosing a central spot or pupil, 

 a. PUPIL (Pupilla}. The central spot of the ocellus. 

 PLATE XIV. FIG. 1. t. An ocellus is called bipu- 

 pillate, tripupillate, &c., when there are two, 

 three, &c. of these spots. Ex. Primary Wing of 

 Hipparchia Tithonus, &c. PLATE XIV. FIG. 1 . p. 



a. HASTATE PUPIL (Pupilla hastata). When the pupil 



is a halberd-shaped spot. Ex. Pupil of Ocellus 

 otAglia Tau. PLATE XIV. FIG. 1. k. 



b. SUFFULTED PUPIL (Pupilla suffulta). When the 



pupil shades into another colour. Ex. Primary 

 Wing of Vanessa lo. 



b. IRIS (Iris). The circle which incloses the pupil. 



PLATE XIV. FIG. 1. u. 



c. ATMOSPHERE (Atmosph&ra). The exterior circle 



of the ocellus. PLATE XIV. FIG. 1. v. 



21. BLIND OCELLUS (Ocellus caucus). An ocellus with- 



out the pupil. Ex. Hipparchia Davus. 



22. SPURIOUS OCELLUS (Ocellus spurius). A circular 



spot without any defined iris or pupil. Ex. Spot 

 in the Disk of the Primary Wings of Colias Hclice. 



23. SIMPLE OCELLUS (Ocellus simplex}. When the 



ocellus consists only of iris and pupil. Ex. Ocelli 

 on the under side of Primary Wings of Hipparchia 

 Semcle. PLATE XIV. FIG. 1. t, n, u. 



