20 SATTIRNIIDJE. 



the apical tubercles on 2nd and 3rd somites blue instead of green. 

 Pood-plant " wild cherry " and " birch." 



Cocoon small, hard, dark, and pedunculated. 



Hab. Sikhim (Knyvett). Exp. 156 milliin. Types in colls. 

 Knyvett and Elwes. 



11. Antheraea helferi, Moore, P. Z. S. 1859, p. 257, pi. 64, fig. 2 ; 

 C. 8? S. no. 1562. 



S • Differs from knyvett i in there being a black blotch on the 

 upperside of the ocellus of the hind wing, continued as a line 

 round the outer edge ; a conspicuous waved dark postmedial line 

 which is curved inwards round the ocellus, and joins the ante- 

 medial line below the costa ; the Iryaline centres of the ocelli are 

 almost or quite absent on both wings ; the colour varies from 

 pinkish to ochreous. Underside with the antemedial line straight. 



2 . Yellowish, with the postmedial line of the hind wing but 

 slightly waved. 



Hab. Sikhim. Exp. 150 millim. 



12. Antheraea assama, Westw. Cab. Or. Ent. p. 41, pi. 20, fig. 2 ; 

 C. $ S. no. 1559. 

 ? Saturnia perotteti, Guer. Mag. Zool. 1843, pi. 123 ; C. <Sf S. no. 1566. 

 Antheraea raesankooria, Moore, Weirdie's Wild Silks, p. 5 ; C. 8f S. 

 no. 15(33. 



$ . Differs from helferi in the colour being ochreous brown to 

 dark chestnut-brown ; the ocellus of the fore Ming entirely yellow- 

 brown. Hind wing, with the inner part of the ocellus dai-k, the 

 outer part yellow-brown ; the postmedial line not waved nor so 

 much curved, nor joining the antemedial line. 



5 . The submarginal line of both wings grey. 



This is the " Muga " of silk-culture. 



Larva bright yellow or dark green, with a brown and yellow 

 streak at the sides ; the spiracles black ; dorsal spinous tubercles 

 red ; head and legs brown ; claspers green, the anal pair with a 

 black lateral ring. 



The form perotteti, from Pondieherry, as figured by Guerin, 

 differs in having the two submarginal lines of each wiug waved. 



Cocoon brown and non-pedunculate. 



Hob. Himalayas from Kangra to Assam, Pondieherry. Exp. 

 150-170 milliin. 



13. Antheraea andarnana, Moore, P. Z. S. 1877, p. 602 ; C. $ S. 

 no. 1558. 



2 . Colour as in roylei. Pore wing with the dark postmedial 

 line prominent ; the submarginal line dark, with a waved line 



