102 
Plate XVIII 
Figure 1. lAlloetlia Ulloeiensis Crickmay sp. nov., holotype, genotype, apertural aspect, 
about natural size. Last whorl slightly distorted by diastrophic forces. Mouth 
border outlined in black. Lost parts of shell partly restored in outline from 
measurements of the rest of the shell. Locality No. 15. Upper Jurassic. 
(Page 62.) 
Figure 2. Ldlloettia lilloetensis Crickmay sp. nov., holotype, genotype, lateral aspect, 
about natural size. Mouth border outlined in black. Periphery partly 
restored in outline by proportional method (vide Crickmay: Am. Jour. Sci., 
5th ser., XIII, 1927). (Page 62.) 
Figure 3. Lilloettia lilloetensis Crickmay sp. nov., holotype, about natural size, lateral 
aspect. Shows ornament of fiftn whorl. (Page 62.) 
Figure 4. lAUoettia lilloetensis Crickmay sp. nov., holotype, peripheral aspect, about 
natural size. Same specimen as shown in figure 3 — the internal whorls of 
the holotype. (Page 62.) 
