VERMES. 
Gordius fragilis in motion. 
. Transverse section, shewing the shape of the body. 
. Gordius fragilis quiescent. 
. Anterior part; under surface, shewing the site and appearance of 
the mouth. 
. Portion sundering from the body, October 11. 
. The same in motion, October 15, having previously lost the frag- 
ment, fig. 10. 
. The same, having generated a papilla at the extremity. In motion, 
December 19. 
. The same (denominated A), as appearing April 14, after losing two 
portions. , 
. One of these portions separated from fig. 6. 
. Another of these portions separated from fig. 6. 
. Appearance of fig. 38, A, as on May 3. 
. Fragment, which had separated from fig. 4 on the preceding Octo- 
ber 14. 
. Portion B, as appearing 27th November, or thirty-eight days after 
haying sundered from the Gordius. 
. The same as advancing, December 19. 
. The same, with its generated appendages, 100 days old, January 28. 
. The same, as advancing April 14. 
. Spontaneous mutilation having followed the preceding representa- 
tion; the remainder as appearing May 3. 
. Final appearance of B, fig. 3. 
. Sundered portion, exposing the yellow interior of the Gordius. 
. Ova. 
. Ova, a little enlarged. 
Prats VIL* 
Fic. 1. Upper surface of another specimen in motion—the anterior extremity. 
2. A broken off posterior extremity. 
3. The mouth. 
