﻿PLATE XVIII. 



Loxonema eeticulatum, Phillips. (Page 177.) 



Fig. 



1. Large specimen with a thick shell. Wolborough. Museum of Practical Geology. 



2. Still larger specimen with a very thick shell, one of the figured specimens of L.prasteritum, Phillips. 



Chudleigh. Museum of Practical Geology. 



3. 3 a. Original figured specimen of L. reticulatum ; 3 J, a single whorl, x 1*5. Wolborough. 



Museum of Practical Geology. 



Loxonema? sp. (Page 178.) 



4. Internal mould of an imperfect specimen. Wolborough. Vicary Collection. 



Loxonema scalaei^fobme, Holzapfel, sp. (Page 179.) 



5. Specimen with exterior partially worn away. Wolborough. Vicary Collection. 



Michelia, sp. (Page 183.) 

 G. Internal mould of an imperfect specimen. Wolborough. Vicary Collection. 



Loxonema conicum, n. sp. (Page 180.) 



7. Specimen retaining test though rather worn, showing the flatness of the whorls and the slightness 



of the suture; 7 a, portion of surface, x 1*5. Wolborough. Torquay Museum. 



8. Internal mould of a shell probably of the same species. Wolborough. Torquay Museum. 



Holopella tenuieeticulata, n. sp. (Page 224.) 



9. Specimen retaining test ; 9 a, another view, showing the variation in the sutural angle ; 9 b, portion 



of surface, x 4. Wolborough. Vicary Collection. 



Holopella tenuisulcata, Scindberger. (Page 225.) 



10. Specimen retaining test; 10a, portion of surface, x 2. Wolborough. A r icary Collection. 



11. Similar specimen wanting test, x 1*5. Wolborough. Museum of Practical Geology. 



Holopella duplisulcata, Whidbome. (Page 227.) 



12. Body-whorl of a specimen partly retaining test; 12 a, portion of surface, x 2 ; 12 b, portion of 



the same, X 5. Lummaton. My Collection. 



13. Another specimen, consisting of two whorls, x 2. Lummaton. My Collection. 



14. Another specimen, retaining surface, x 1*5; 14a, a single whorl more enlarged; 14 6, a small 



portion still more enlarged. Wolborough. Champernowne Collection. 



Holopella costata, Sandberger, sp. (Page 229.) 



15. Specimen retaining shell, x 1'5 ; 15 a, portion of surface enlarged. Wolborough. Museum of 



Practical Geology. 



Holopella Hennahiana, Sowerbg, sp. (Page 228.) 



16. Specimen retaining test, x 1*5 ; 16 a, one whorl, x 3. Lummaton (?). Torquay Museum. 



Loxonema peiscum, Miinster, sp. (Page 181.) 



17. Internal mould of a specimen. Wolborough. Museum of Practical Geology. 

 IS. Another specimen, x 15. Lummaton(?). Torquay Museum. 



19,19 a. Another specimen, retaining test, x 1'5. Lummaton. Torquay Museum. 



