STATES OF INSECTS. 177 



skin, and not from a tubercle. This is also the case with 

 the large caterpillars of Odenesis Rotatoria, which has a 

 double row of short bundles of black hairs on the back, 

 intermixed with larger ones : at each end of the body is 

 a pencil of converging hairs, and the sides are spotted 

 Avith bundles of white ones, which with longer tawny 

 ones are bent downwards, so as to cover the sides of the 

 creature a . Some have the anterior aigrettes disposed like 

 the arms of a cross, of which the body of the caterpillar 

 is the stem b . But not only is there considerable variety 

 in the general arrangement of the hairs that clothe our 

 little larvae, the hairs themselves differ much in their kind 

 and structure, of which I will now, before I proceed to 

 consider spines, give you some account. Several of them 

 are feathered like the plumes of a bird : this is the case 

 with those of Morpho Idomeneus, on each segment of the 

 body of which are three blue tubercles, like so many little 

 tui quois beads, from each of which proceeds a long black 

 plume c . Other hairs terminate in a club ; those of the 

 larva of Noctua Alni, a specimen of which I possess taken 

 in England, are flat and incrassated at the apex, some- 

 thing like the antennae of some Sphingidce. Mad. Merian 

 has figured the caterpillar of another moth which feeds 

 upon the Papaw-tree {Carica Papaya) with similar hairs d . 

 But the most remarkable larva for the shape of its hairs 

 is that of Anthrenus Musceorum, the little pest of our ca- 



a Sepp. iv. t. viii. /. 4. Some species have three, others four, 

 and others even five of these brushes. 2V. Diet. d'Hist. Nat. vi 

 255. 



b Ibid. Merian Eruc. xxxiv. upper left hand figure. 



Merian Ins. Surinam, t. Ix. 



d Ibid. t. xl. 

 VOL. III. N 



