152 Dr. Baird on Eniozoa, or Intestinal Worms. 



List of Species of Entozoa, at present known as occurring within 

 the limits of the Club, 



Order I. Nematoidea. Family Filariid^. 



1 . ? Filaria marina, Cat, Brit. Mus. Entozoa, 7. no. 8. 

 Filaria piscium, Rudolphi, Hist. Nat, Entoz. ii. pt.l. 74. no. 29. 

 Hab. Liver of the common cod, Morrhua Collar ias, from Ber- 

 wick Bay. From the collection of Dr. Johnston. 



Family Ascarid^. 



2. Oxyuris curvula. Cat, Brit. Mus. Entozoa, 15. no. 3. 

 Oxyuris curvula, Rudolphi, Hist. Nat. Entoz. ii. pt. 1. 100. 



t. 1. f. 3-6. 

 Hab. Intestines of the horse, Equus Caballus, Berwickshire. 

 From the collection of Dr. Johnston. 



3. Ascaris lumbricoides, Cat. Brit. Mus. Entozoa, 16. no. 1. 

 Ascaris lumbricoides, Linnaeus, Rudolphi, Hist. Nat. Entoz. 



ii. pt. 1. 124. 

 Hab. Intestines of man. From the collection of Dr. Johnston. 



4. Ascaris mystax. Cat, Brit. Mu^. Entozoa^ 18. no. 5. 

 Ascaris mystax, Rudolphi, Hist. Nat. Entoz. ii. pt. 1. 140. 

 Hab. Intestines of the cat, Felis Catus domesticus. From the 



collection of Dr. Johnston. 



5. Ascaris megalocephala, Cloquet. Cat. Brit. Mus. Entozoa, 19. 



no. 10, & 109. 



Ascaris lumbricoides (part.), Rudolphi, Hist. Nat. Entoz. ii. 

 pt. 1. 124. 



Hab. Large intestines of the horse, Equus Caballus, Berwick- 

 shire. From the collection of Dr. Johnston. 



6. Ascaris spiculigera. Cat. Brit. Mus. Entozoa, 25. no. 29. 

 Ascaris spiculigera, Rudolphi, Hist. Nat. Entoz. ii. pt. 1. 168. 

 Hab. CEsophagus of the common cormorant, Graculus Carbo. 



From the collection of Dr. Johnston. 



Family GoRDiiDiE. 



7. Mermis nigrescens. Cat. Brit. Mus. Entozoa, 34. no. 1. 

 Mermis nigrescens, Dujardin, Hist. Nat. Helminth. 295. 

 Hab. Abdomen of a species of Carabus, Berwick-upon-Tweed. 



From the collection of Dr. Johnston. 



8. Gordius Tolosanus, Cat. Brit. Mus. Entozoa, 36. no. 3. 

 Gordius Tolosanus, Dujardin, Hist. Nat. Helminth. 298. 

 Hab. Ponds and ditches in Berwickshire, &c. From the col- 

 lection of Dr. Johnston. 



