430 SPHINGIM]. 



Horn purple or plum-colour, strongly [p. 441. 



down-curved " T. a. alecto (Linn.), 



7. Ocelli on 5 and 6 alike, and different from [(Fabr.), p. 449. 



those on 7 to 1 1 T.o. oldenlandise 



Ocelli increasing in size from 5 to 9, then 



decreasing, all rather obscure ; horn very [(Mart.), p. 452. 



short T. p. pinastrina 



Pupse. 



1. Cremaster ending in two teeth, the bases 



of which touch each other 2. 



Cremaster ending in two teeth or shafts, 



the bases of which are widely separated. 5. 

 Cremaster not as above 8. 



2. Tongue-case much projecting in front of [p. 443. 



head T. a. alecto (Linn.), 



Tongue-case not much projecting frontad. 3. [p. 458. 



3. Teeth of cremaster simply pointed T . pallicosta (Walk.), 



Teeth of cremaster minutely bifid 4. 



4. Spiracle of segment 2 in a deep de- 



pression, and palpal depression also [p. 436. 



deep T.c. clotho (Drury), 



Spiracle of segment 2 in a much shallower 

 depression, and palpal depression also [p. 438. 



shallower T. gnoma (Fabr.), 



5. Cremaster triangular in dorsal view 6. 



Cremaster with sides converging first [p. 448. 



gently, then more sharply T. lycetus (Cram.), 



6. Cremaster ending in two simple teeth. ... 7. [p. 460. 

 Cremaster ending in two bifid shafts T. castanea (Moore), 



7. Tongue-case much projecting in front of [p. 445. 



head T. suffusa (Walk.), 



Tongue-case not much projecting frontad. T. latreillei lucasi 



8. Cremaster ending in a single bifid shaft, [(Walk.), p. 440. 



or in two shafts close to and parallel 



with each other ; length of pupa over [p. 433. 



70 mm T. nessus (Drury), 



Cremaster ending in a truncate conical [(Fabr.), p. 450. 



bifid shaft ; length about 40 mm T.o. oldenlandise 



Cremaster ending in a triangular shaft, 



minutely bifid at tip ; length about [(Mart.), p. 453. 



47 mm T.p. pinastrina 



155. Theretra nessus (Drury). (Fig. 110 A, B, genitalia; 

 fig. Ill, imago ; PI. V, fig. 16, larva, fig. 17, pupa). 



Sphinx nessus, Drury, 1773, p. 46, pi. lxxvi, fig. 1, and Index 

 (Madras). 



Chserocampa nessus, Walker, 1856, p. 140 (Canara ; Ceylon ; 

 Sylhet ; Hong-Kong ; Java) ; Moore, 1857, p. 276, pi. xi, figs. 2, 

 2 a (1., p.); id., 1877, p. 595 (Pt. Blair) ; Butler, 1881 A, p. 613 

 (Belgaum) ; Swinhoe, 1888, p. 118 (Karachi) ; id., 1890, p. 164 

 (Moulmein). 



Theretra nessus, Moore, 1882. p. 22, pi. Ixxxvi, fig. 1 ; Hampson, 

 1892, p. 99, fig. 56(o*); Dudgeon, 1898, p. 412 (Sikkim ; Bhutan, 

 2,000 ft.) ; Roths. & Jord., 1903, p. 765 ; Jordan, 1912, p. 258, 

 t. 42 c ; Mell, 1922, p. 290, pi. x, figs. 5-11, pi. xiv, figs. 3, 4, 

 pi. xix, figs. 3, 4 (pupa), pi, xxxi, figs. 5, 6 (larva), 7(5); Seitz, 

 1929, p. 565, t. 67 b ; Scott, 1931, pi. i, fig. 4. 



