PLATE XXIX. 
MuRCHisoNiA TURBiNATA, 8clilotlieim, sp. (Page 306.) 
{Groups — spinosa, fif/s. 1 — 10; curta, figs. 14 — 16.) 
Pig. 
1. Turrited specimen with foliaceous growth-strire. Chuclleigh. Vicary Collec- 
tion. 
2. Turrited specimen with large and distant nodules on shoulder and indistinct 
nodules below. Sinus-band consisting of a single keel. Chudleigh. 
Vicary Collection. 
3. Turrited specimen with very large nodules on shoulder and very deep sutures. 
(Jhudleigh. Vicary Collection. 
4. Elongate specimen with few and large nodules on shoulder and lower angle, 
wide sinus-band, and shallow suture. Chudleigh. Vicary Collection. 
5. Fusiform specimen, with two rows of large nodules and narrow whorls. 
Chudleigh. Vicary Collection. 
6. Very large specimen with indistinct nodules and with whorls enveloped to 
sinus-band. Wolborough. Vicary Collection. 
7. 7 a. Two views of an elongate specimen with broad whorls and two rows of 
small distant nodules. Chudleigh. Vicary Collection. 
8. Fusiform specimen with broad, involute whorls and few coarse elongate 
nodules. Chudleigh. Vicary Collection. 
9. Similar but shorter specimen with very elongate ridges below. Chudleigh. 
Vicary Collection. 
10. Similar but still shorter, conical, and more involute specimen. Chudleigh. 
Vicary Collection. 
11. Similar but still shorter specimen, with very narrow whorls. Chudleigh. 
Vicary Collection. 
12. 12 a. Two views of a very short, involute specimen with two rows of large 
nodules. Chudleigh. Vicary Collection. 
13. Short involute specimen with only one row of coarse indistinct nodules, 
figured by Phillips as M. spinosa. Chudleigh. Museum of Practical 
Geology. (Figs. 11, 12, and 13 are intermediate forms.) 
14. Similar specimen with larger body-whorl. Chudleigh. Vicary Collection. 
15. Similar specimen with still larger body- whorl. Chudleigh. My Collection. 
16. Similar but still shorter specimen, figured by Phillips as 3L spinosa. Chud- 
leigh. Museum of Practical Geology. 
