PLATE XIX. 

 Cadliimjiiiriwmciilnfii Min-Farland. 

 Fig. 32.— Ventriil view of animal, x 2. 



B'lG. 33.— Elemenf* of labial armature isolated, x 400. (Cam.) 



f'iG. 34.— Rhachidian, a. and first pleural teeth of thirteenth to fifteenth rows, x 400. (Cam.) 

 Fig. 35.— Rhachidian teeth of seventh and eighth rows, x 400. (Cam.) 

 Fig. 36.— Inner face fourteenth to seventeenth pleurae, x 400. (Cam.) 

 Fig. 37.— Outer face of a. nineteenth, and h, outermost (twenty-third) pleurse. x 400. (Cam.) 



D'>riup:iib-fulva MacFarland. 



Figs. 38, 38a. -/i. rf., hermaphrodite duct; h.amp., hermaphroditic ampulla; sp. d., spermatic duct opening into the ovi 

 lying p. estate gland, which is indicated by the dotted line; »7). c, spermatocyst; sp. th.. spermatotheca; w. <;., uterii 

 duct. 



Fig. 39.— Hooks near base of glans. x 120. (Cam. ) 



Fig. 40.— Hooks at margin of opening of glans. x 120. (Cam.) 



JEffires albf/punctalits MacFarland. 



Fig. 41.— Upper mandible, a, anterior margin, x 36. (Cam.) 



Fig. 42.— Innermost pleural teeth of sixth row. x 146. (Cam. ) 



Fig. 43.— Four outer pleurie of fourteenth row. a, outermost, x 146. (Cam.) 



Fig. 44.— Fifth and sixth pleura; of sixth row. x 146. (Cam.) 



Laila I'ockmUi MacFarland. 



Fig. 1.5.— Ventral view of anterior end of animal, showing head, tentacles, .sub-pallial ridge (a) and marginal papillae. ■ 

 Fig. 46.— Inner portion of sixtieth and sixty-first rows of radula. a, first pleural tooth; b, second pleural tooth; c, (/, thii 



and fourth lateral teeth, x 260. (Cam.) 

 Fig. 47.— First and second pleural teeth, x 400. (Cam.) 

 Fig. 48. — Three rhachidian plates (spurious teeth), x 400. (Cam.) 

 Fig. 49.— e-n, third to twelfth lateral (uncinal) teeth, x 400. (Cam.) 

 Fig. 50.— Hooks of glans penis armature, x 260. (Cam.) 



THoplm carpcnteri (Stearns). 



Fig. 51.— Thirteenth row of radula. x 36. (Cam.) 



Fig. .52.— Uncinal teeth, the seventh to fourteenth uneini, inclusive, being omitted, x 83. (Cam.) 



Fig. 53.— Outermost (twelfth and thirteenth) pleurae in front and side view, x 52. (Cam.) 



Pig. 54.— Rhachidian plates of eighteenth row. x 52. (Cam.) 



Fig. 65.— Labial disc, x 9. (Cam.) 



Triopha maculata MacFarland. 



Fig. 5.5(1.- First to fourth pleur;e of tentli row of radula. x 83. (Cam.) 



Fig. 56.— Uneini of tenth row of radula. x 83. (Cam.) 



Fig. 57.— Rhachidian plates, a, of left median series; h, of lateral series, x 83. (Cam.) 



Fig. ,5S.— Fourth pleural tooth, inner face, x 83. (Cam.) 



Fi<i. .59— Labial disk, x 8. 



Triopha (jrimdis MacFarland. 



Fig. 60.— Rhachidian plates of tenth transverse row of radula. n, plate of left median series; (>, of lateral series. ■ 



(Cam.) 

 Fig. 61.— Left median rhachidian plate of fourteenth row. x 60. (Cam. ) 

 Fig. 62.— Plural teeth, a, first; 6, eighth, x 60. (Cam.) 

 Fig. 63.— Uneini of tenth row. x 60. (Cam.) 

 Fig. 64.— Isolated hooks of glans penis armature, x 260. (Cam.) 



