EGGS 1005 



many of the minuter forms of the class AracJinida, as for example 

 the Aca/rina, or mites and ticks, present to those who are in search of 

 objects of beauty a wide and most interesting field. In fig. 747 we 

 give a group of eggs, all but the central form being eggs or organisms 

 of this order. It is thus with the eggs of many insects ; they are 

 objects of great beauty, on account of the regularity of their form 

 and the symmetry of the markings on their surface (fig. 748). The 

 most interesting belong for the most part to the order Lepidoptera ; 

 and there are few among these that are not worth examination, 

 some of the commonest (such as those of the cabbage butterfly, 



FIG. 748. Eggs of butterflies and moths. 



which are found covering large patches of the leaves of that plant) 

 being as remarkable as any. Those of the puss-moth (Cerura 

 vinula), the privet hawk-moth (Sphinx ligustri), the small tortoise- 

 shell butterfly (Vanessa urticce), the meadow-brown butterfly (Hip- 

 parchia janira), the brimstone-moth (Rumia cratcegata), and the 

 silkworm (Bombyx mori) may be particularly specified; and, from 

 other orders, those of the cockroach (Blatta orientalis), field-cricket 

 (Acheta campestris), water-scorpion (Nepa ranatra), bug (Cimsx 

 lectularius), cow-dung fly (Scatophaga stercoraria), and blow-fly 



Memoire stir les Objets qui peuvent etre conserves en Preparations mirroscopiques 

 (Paris, 185(5), which is peculiarly full in the enumeration of the objects of interest 

 afforded bv the class of Insects. 



