NATURAL HISTORY. 



Plate 

 178. Fig. 



Fafciola Scorpli, the minute Figures which 

 accompany the larger ones denote the 

 natural Size 



Fafciola lucioperc£. Ditto 



Fafciola branuz. Ditto 



Genus T^nia.' 

 179. Lettered Vermes, Order Inteftina, Plate V. 



Fig. I. Tania firmm, grouped into folds in order to 

 include the whole animal, which is of 

 extreme length, within the limits of the 

 Plate. Found in the human body 



2. The liead, natural fize, of afpecimen twenty 



feet in length 



3. Head magnified 



7. Two joints retaining the external (kin, and 



(hewing the alternate difpofition of the 

 ofcula along the edges of the joints as 

 they ufually appear 



8. Two joints (hewing their lateral difpofition 



when they occur on both the margins of 

 each joint, which fometimes happens 



4. A portion of the joints of the natural fize 



diverted of the outer (kin, and difclofing 

 more fully the alternate lateral ofcula, 

 together with the alimentary canals, as 

 they communicate from one joint to the 

 other 



5. The middle fyltem of ve(rels illuftrated in 



another portion of four joints 



6. Another portion deprived of the outer coat- 



ing, and difplaying all the canals in their 

 relative fituation. Vide Carlifk in Linn. 

 Tranf. v. 2. 

 Tisnia lata. Carlifle in Linn. Tranf. 2. — 

 Titnia ofculis lateralibus folilariis, Linn. 

 Amocn. Acad. 2. ? 

 A portion of feveral joints exhibiting the 

 ofcula, which are difpofed in a fingle leries 

 down the center of the joints 

 Another portion diverted of the outer coat- 

 ing, and (hewing the ftelliform velfels down 

 the center within, and alfo the lateral 

 alimentary canals. Found in the intef- 

 tines of mankind 

 9. Tania canina, head, and a portion of the 

 body, confifting of the five firft joints. 

 Found in the dog. 



Genus Gordius. 

 • SO. Lettered Vermes, Genus Gordius, Plate IV. 

 Fig. I . Gordius aquaticus 



Plate 



180. Fig. 5. 



10 



II. 



Fig- 



Fig. 



Genus Lumbricus. 

 3. Lumbricus terrejlris 



Genus Hirudo. 



Hirudo muricata 



Hirudo geometra. The fmaller figures at 

 No. I. denote the eggs and natural fize of 

 the animal : No. 4. magnified (hews the 

 animal affixed by the broad pedal-like tail 

 with the body extended horizontally : 

 No. 3. the fame contracting into an arched 



181. 



form : No 2. when mod contrafted, arched, 

 and elevated, preparatory to walking, 

 which it does fomewhat in the manner of 

 the larvae of the Geometra tribe of moths, 

 or as ufually defcribed as if meafuring the 

 ground like a pair of compalTes. 



Genus Planaria. 



Fig. 6. Planaria crenata. No. I, 2, 3, 4, 5, (hews 

 various pofitions and contraftions of this 

 animal 



Genus Siphunculus. 

 Fig. 7. Siphunculus nudus 



Order Mollusca 



Genus Limax. 



Fig. 8. Limax ater 



9. Limax max'rmus 



Genus Onchidium. 

 Lettered Vermes, Order MoUufca, Plate VIL 

 Fig. 1,1. Onchidium typha 



Fig. 



Fig. 



Genus Laplisia. 

 Laplifia depilans 



Genus Doris. 



Doris argo 

 Doris radiata 

 Doris papillofa 



Genus Aphrodita. 



Fig. 6. Aphrodita aculeata. No. 6. f fmall, upper 

 furface, right-hand figure 

 No. 6. -|- ditto, under furface, left-hand figure 

 No. 6. large fize 

 7. Aphrodita fquamata 



Genus Nais. 

 182. Lettered Vermes, Genus Nais, Plate V. 



Fig. I, 2, 3, 4. Nais ferpentina, highly magnified, 

 the natural fize being three quarters of an 

 inch in length, or not exceeding that cf 

 the clurter (hewn on the duckweed, fig. 5. 

 5, 6, 7, 8, 9, 10, II. Nais vermicularis, highly 

 magnified, natural fize one-tenth of an inch 

 12, 13. Nais probofcidea, highly magnified, na- 

 tural fize three-fourths of an inch 



183. 



184. 



Genus Actinia. 

 Lettered Vermes, Genus Aftinia, Plate II. 

 Fig. I. Adinia dianthus 



Adinia cereus 



Genus Holothukia. 

 Lettered Zoology, Clafs Vermes, Plate I. of Mol- 

 lufca 



Fig. I . Holothuria elegans 

 2. Holothuria pentacttt 



