208 REV. M. J. DERKELEY 
Hia Tsao Tom Tchom. Réawmur Mém. de VAc. des Se. 
1726. p. 302, tab. 16. Rees’ Cycl. vol. 17. 
Hia Tsao Tong Tchong. Duhalde. China. vol. 3, p. 490. : 
Hea Tsaon Taong Chung. Westwood, Ann. of Nat. Hist. — 
vol. 8, p. 217. : 
China. Mr. Reeves. Collection of Brit. Mus. ee 
Attached by simple or very sparingly branched, very slen- 
der flexuous inarticulate threads, which spread more or less 
over the surface of the caterpillar. The substance of the. 
caterpillar is replaced by a tough mass of very fine branched — 
threads, which are far more compact than those in the sub- as 
stance of the fungus, mixed with colourless oil globules. — 
The head is sometimes split into two or three linear — 
portions. —— HH 
This species is a celebrated drug in the Chinese Pharma — — 
copeeia, but from its rarity only used by the Emperor's PE. 
sician; it resembles in its properties those of Ginseng, 
being a strengthener and restorative, but does not like that 
cause hemorrhage. Father Perennin states that he was 
raised from a state of extreme weakness by the use of this 
medicine, which was administered, dressed in the body ofa 
duck. The Chinese name refers to the notion that it 184 
herb in summer and a worm in winter. The specimens 
figured by Réaumur were imperfect, and therefore their true 
nature was not recognised, but the fungus was supposed to | 
be a portion of the root of some plant to which at a certam. 
stage of growth the caterpillar attached itself. It is sold = 
little bundles tied up with silk. I have seen several of thests 
. but have not been able to find any in which the perithecls : 
. were fully developed. b 
. Tas. vm. fig. I. I. Sphæria Sinensis; nat. size: = 
specimen with the head longitudinally splitting. 4. radiatin pL 
appearance of a fractured stem ; 5. filaments from the base | : 
the stem; c. globules from the body of the caterpillar 
d. filaments forming the central substance of the fung” 
bearing caterpillar—all more or less highly magnifid. — — 
