﻿68 MR. F. W. 0. RYMER JONES ON SOME JAY AN DEEP-SEA LAGEN.E 



Fig. 27. L. vulgaris, Williamson, mr. marcftnataj Monta^ : subcylindiical form, sliowing dentate coronal 



round the orifice, x 300 diam. 

 Fig. 28. The same : shell in which the foramina cluster round the margin in a mde band, x 300 diam. 

 Fig. 29. The same : symmetrical bottle-shaped form^ marginal keel defective, x 200 diam. 

 Fig. 30. The same : lenticular form^ ha\ing the marginal border verv wide, X 140 diam. 

 Fig. 31. DittOj dittOj three-qnarter basal view, x 110 diam. 

 Fig. 32. The same : shell bordered by a double marginal keel, walls covered with acicular spines, 



■ 



X 140 diam. 

 Fig. 33. L. vulgaris, WiUiamson, var. radiato-marginata, Parker and Rupert Jones : shell in which the 



pseudopodial passages take an oblique direction, x 1 10. 

 Fig. 34. L. vulgaris, "Williamson, var. spinicosto-marginata, Nov, : marginal border giving rise to spines 



towards the b&se, x 140 diam. 

 Fig. 35. The same, x 140 diam. 

 Fig. 36. The same, x 300 diam. 



Fig. 37. L. vulgaris, Williamson, subvar. cJypeafo-marginata, Nov., x 200 diam. 

 Fig. 38. L. vulgaris, Williamson, svihvsir. petasma-marginaia, Nov., x 140 diam. 

 Fig. 39. The same : fragment of shell, X 50 diam. 



Fig. 40. L. vulgaris, Williamson, subvar. bracfeato-marginata, Nov., x 200 diam. 

 Fig. 41. The same, x 200 diam. 



Fig. 42. L. vulgaris, Williamson, subvar. spinoso-marginata, Nov. : marginal layer strengthened by a 



row of thin spines, x 50 diam. 

 Fig. 43. The same : periphery surrounded by a row of triangular tooth-like processes,' X 200 diam. 



Williamson, subvar 

 wing-like processes, x 200 



Nov. : marsrinal keel supplem 



45 . L. vulgaris, Williamson, subvar. davato-marginata, Nov. : periphery encompassed by a triple, 



keel, X 300 diam. 



46. L. vulgaris, Williamson, subvar. pertuso-marginafa, Nov. : young shell, x 200 diam. 



47. The same : older shell, furnished at the base with a minute internal tube, x 140 diam. 



vulgaris, WHliamson, subvar. helopharo-marginata, Nov. : margiuate shell, covered with 



round bosses, x 140 diam 

 Pig. 49. L. vulgaris, Williamson, var. siligua, Nov 



diam 



number of ring 



Williamson, var. hispida, Reuss : subglobular form, the neck ornamented 



a 



form 



l?ig.51. -t-. VM/^^am, Williamson, var. «gtt«mo5a, Williamson : shell-waQs compressed, encompassed 



peripheral keel, x 200 diam. 



•^' "'^ULGARis, Williamson, var. distoma, Parker and Rupert Jones. 

 Fig. 52. L. vulgaris, Williamson, subvar. ampulla-distoma, Nov. : subglobular form, walls roughened hy 



exogenous deposit, and furnished at the base with a short external tube, X 120 diam. 

 ig. 53. L. vulgans, WiUiamson, subvar. distoma-polita, Parker and Rupert Jones : entosolenian 



with fissurine aperture, x 200 diam. 

 p!^" It m^ '^""^ • '^'^ ^^teiiding out into a very long and wide " neck,- x 200 diam. 

 Fi!' la 1' '""'' '' '^°°^'''^ '^^ '^^^^^^ spindle-shaped form, x 100 diam. 

 vt .7 ^' '"^^ '' '^^^'^^ "°S^"' ^°"^^ ^^^* ^'^^ «f ^^^ ^i-1 line, x 140 diam. 

 Fi^' ^8 T T"' t""^'*'^' three-chambered distomatous form, x 100 diam. 

 *ig. 58. i.tm^am Williamson, subvar. distoma-patera, Nov. : sheU somewhat goblet-shaped, with » 



basal tube, x 200 diam, 



Kg. 59. L. »??a™ Williamson, var. Janeta. Nov. : flask-shaped structure, communicating with a W 



basal tube, x 300 diam . '^ ' 



