3 o4 WORMS. TESTACEA. 70. Argonaut** 



Bullata. ' Shell very ftraight, thin ad perpendicularly ftriafe, with 

 tranfverfe fpirious wrinkles at the lower margin. 



Inhabits - — '■— Guatt teft. tab. 79. fig. C. 

 Probably not a diftinft fpecies.. 



tO. ARGONAUTA. Animal a Sepia or Clio: 

 , Jhell univalve, fpiral, involute, membra* 

 naceous, 1-celied. 



Argo* Keel or ridge of the fhell ilightly toothed each fide 



Lister conch, tab. 554, 555. Loch. Muf. Befl. f. 19. 

 Bonan.recn and Muf. Kirch. 1. fig. 13.,' 

 Rump/. Muf. tab. 18. fig. 104. A, B. 

 Guatt tcjl. tab. II. A, B, /. ii. A,B, C, 

 O/ear Muf tab. 32. f. 4. Leffer teft. t. 1. Hi 6. 

 Klein oftr. tab. l>fg. 3. Murray teft. til. f. 8. 

 Argenville conch. tab % 5. A — C. Zoom* /. Z.f. 2, 3. 

 Muf Gottvuald. tab* 40, fig. 272 — 274, 

 Seba Muf. 3. /a£. $4-. fig. 4 — 12. 

 Ginann. adr. 2- tab 3 /?£. 29. 



Knorr delic.tab. B. i * fg. 314. Vergn % \* tab. Z.f. i< 2.4, ta$;\ 

 99. y. i f and 6. tab. 31. 



2. Martin conch. I. ta£. ij. jig. 157* $"£ 



3. Martih cbnch. I. tab. jy. fig. 158, 159. 



4. Martin conch. Ltab. 18* fig. l6o. # 



5. Martin conch, I. «wf*. 8, /}£. 2. 



Inhabits the Mediterranean and Indian Ocean* and is the famous 

 Nautilus* fuppofed in the early ages of fociety, to have firlt 

 taught men the ufe of fails : when it means to fail, it dis- 

 charges a quantity of water, by which it was made heavier 

 th3n the fea-water, and rifing to the furface, ere&s ks arm?, 1 

 and throws out a membrane between them* by which means it- 

 is driven forwards like a vefTel under fail ; two of the arms it 

 hangs over the fhell, to ferve as oars or as a rudder. 



Shell white or yellowifh, with fmooth or knotty itrise or ribs,' 

 which are fometimes forked; the keel generally brownifh. 



Viireus. Keel of the fhell toothed in- the: middleo 

 Argetyville Zoomorph. iab t to t fig. B. 

 Martin. conch, up, 2$Q. tab. 18, fig. 1 6 3. 

 Inhabits — A very rare fpecies. Shell conic, tranfverfely 

 ribbed, with a convex keel : aperture oval. 



t ym> 



hum. 



Keel of the fhell wrinkled and without teeth, 

 Gualt. teft, tab. 12. fig*. D. 

 Martin, conch* 2, tab* 18. fig. 161* 



Iflhabifi- 



