352 APPENDIX. 



spiral elastic footstalk, by means of which the 

 animalcule can either draw itself close to the 

 stem, or, shooting out, dart on either side after 

 its prey. When the mouth of every individual 

 is open, each germ looks like what botanists call 

 a raceme of bell-shaped flowers ; and, when they 

 are closed, they resemble a bunch of grapes. 1 



To the class of Worms, especially those that 

 have been denominated JEntozoa, or internal 

 worms, I have a few interesting additions to 

 make, taken from a work of Dr. Nordmann's, 2 

 some of which are so extraordinary and wonder- 

 ful, both as to their functions and structure, that 

 the great object of the present treatise, Gloria 

 Dei ex opere natures, will receive considerable 

 illustration from some account of them. 



Dr. Nordmann's first treatise is upon a tribe of 

 these creatures that are interesting from their 

 very singular situation, in the Eyes, namely, of 

 the higher animals. 



Amongst the personal pests of our own species, 

 enumerated in the chapter above alluded to, 3 I 

 mentioned none that attacked the organs just 

 named ; but this learned investigator of parasitic 

 worms has noticed two which have been detected 

 in them ; one related to the Guinea-worm? which 

 was extracted from the eye of a person affected 



1 PLATE I. B. FIG. 2. b. 2 Micrographische Be'itrage, &c. 

 3 See above, p. 324. 4 Filaria medinensis. 



