Smaller Shells Collected at Laguna Beach 
During the Summer of 1917 
EVA MAY HYDE 
The shells illustrated are all small specimens. Nearly all were determined by Mrs. 
T. S. Oldroyd. All drawings are three times the natural size unless otherwise 
stated. S is for shore collection under stones, D for shells dredged about 19 
fathoms just off shore. When cclors are evide.t some indication is given in the 
list. Many are young. 
Turbonilla jewetti D. and B. Shore. 
T. tenuicula Gld. §. Old Det. 
T. buttoni D. and B.S. Old Det. 
T. tenuicula subcuspidata Cpr.2 Dredged. Old. Det. 
T. laminata Cpd.? D. Old. Det. 
Cerithiopsis pedroana Bart. S. Det. Old. 
Seila assimilata Cpr. 8. White. Det. Old. 
Metaxia diadema Bartsch D. Old. Det. 
Eulima (Melanella) rutila Cpr.? D. Glossy white. 
10. Bittium quadrifilatum Cpr.? (Young) D. Old. Det. 
11. Rissoina kelseyi Bartsch D. White. Old. Det. 
12. Caecum crebricinctum Cpr. D. Light brown. Det. Old. 
13. Caecum californicum Dall. 8. and D. White. Det. Old. 
14. Columbella carinata Hds. Immature. D. Light. 
15. C. turberosa Cpr. D. 
16. C. gausapta Gld. S. Brown. Old. Det. 
17. Alectrion mendica Gld.? D. Old. Det. 
18. A. fossata Gld.? D. White. 
19. Amphissa corrugata Rve. (Young) S. Old. Det. 
20. 4d. versicolor Dall D. Juy. Old. Det. 
21. Lacuna unifasciata Cpr. S. Tan striped with brown. Old. 
22. Astyris gansipata Gld. S. Tan and brown. 
23. Anachis penicellata Cpr. S. Det. Old. 
24. Thais emarginata Desh. S. Young. Tan and brown. Det. Old. 
25. Cerithidea californica Held. % Natural size (Yovng). S. Balboa. Gray. Old. 
26. Arcularia (Nassa) tegula Rre. Young '2 Natural size, Balboa. S. Gray. Old. Det. 
27. Saxicava arctica Linn. Young '% Natural size. §. Dirty white. Twisted shell. Old. 
28. Dialia acuta Cpr. D. White. Old. Det. 
29. Eulithidium substriatum Cpr. S. Dark pink. Old. Det. 
30. Phasianella pulloides Cpr. S. Tan. Old. Det. 
31. Odostomia fatella Bartsch. §. Old. Det. 
32. Tritonalia Sp. (very young) White. 
33. Melanella thersites Cpr. White D. 
34. Marginella pyriformis Err. D. Dirty wh'te, polished. Old. Des. 
35. Liotia fenestrata Cpr. 8. White. Old. 
36. Leptothyra carpenteri Pils. Tan. Old. 
37. Tritonalia interfossa Cpr.? S. Old. Det. 
28. dAcmea sp. D. White. 
39. Margarites acuticostatus Cpr. D. 
40. Tegula viridulum ligulatum Mke. Very young. D. Old. Det. 
41. Hipponyx Sp. D. 
42. Philobrya setosa Cpr. S. White. 
43. Marginella varia Sby. S. Glossy. 
44. Cardita subquadrata Cpr. 8. White. Old. 
45. Littorina scutulata Gld. S. Brown. 
46. Tornatina cerealis Gld. White. 
CENDAAP YEN 
