404 THE GORGONIANS OF THE BRAZILIAN COAST 



PLATE XXXIII. 



Fig. 1. Phyllogorgia quercifolia (Dana) V. Characteristic spicules from the normal form 



X 146 ' 3Q , 



2. The same. Characteristic spicules from var. quercifolia, No. 1514, X 190 "394 



2. The same. Var. lacerata V. Characteristic spicules, X 190, of No. 4505 ,] 395 



3. Phyllogorgia dilatata Edw. Characteristic spicules from the type in the Paris Museum 



X 190 ' 396 



4. Phyllogorgia frondosa V. Spicules of the type, No. 1514b, X 190 395 



5. Phyllogorgia foliata (Val. Mss.). Spicules from the type in the Paris Museum, X 146. 397 



6. Gorgonia hartti V. Purple spicules of the type, No. 4554, X 190 391 



6a. The same specimen. Yellow spicules from near the surface, X 190 391 



7. Gorgonia braziliensis V. Spicules of the type, No. 4508, X 190 392 



8. Leptogorgia rubropurpurea V. Spicules from the type, No. 4523, X 190 393 



9. Leptogorgia pumicea (Val.). Spicules from No. 892, X 190 399 



10. Leptogorgia pumicea (Val.). Spicules from the type in the Paris Museum, X 190 399 



11. Leptogorgia rathbuni V. Spicules of the type, No. 4556, X 190 397 



p 



PLATE XXXIV. 



Fig. 1. PlexaureUa (Pseudeunicea) grandiflora V. Characteristic spicules of type, No. 4501, 



X 132 388 



2. PlexaureUa pumila V. Characteristic spicules of type, No. 4502, X 132; g, a peculiar 



large, Asymmetrical twinned spicule consisting of two united crosses; b, an unusual 

 form, a large cone-club 386 



3. PlexaureUa braziliana V. Characteristic spicules of the type, No. 1598; m, an irregular 



twinned spicule or imperfect cross; i, t', tripartite forms, X 132 385 



3a. The same. Four of the more regular crosses, X 132 385 



4. PlexaureUa cylindrica, No. 1597. Characteristic spicules of the type; h, a peculiar large 



irregularly twinned spicule, X 132 384 



5. PlexaureUa verrucosa V. No. 4503. Characteristic spicules of the type; d, a peculiar 



doubly twinned form, X 132 3s7 



6. PlexaureUa obesa V. No. 4509. Characteristic spicules of the type; /, /', large irregular 



and imperfect crosses, X 132 383 



PLATE XXXV. 



P«r. 



Fig. 1, la. Muricea acropora V. Characteristic spicules; a to e, warted spindles from the 



interior; spindles with sharp spinules on one side, from the outer layers; k, I, the same 

 but with spinules mostly near the end, approximating to clubs; n, 0, spmose clubs; 

 m, a large spindle with branched spinose outgrowths on one side. Type, X 120. •• • * 



2. Muricea humilis (Edw.) V. End of a branch of var. humilis, X 7 • • • • 6U 



3, 3a. PlexaureUa grandiflora V. Spindle-shaped bodies from the young axis, near tips, 



X 120 w 



4. PlexaureUa cylindrica V. Characteristic 



d to i, irregular or unequal rayed crosses ui »wuurau »v***»i »«, -, ---<« «^ 



k, I, spindles ; n, n', small double-heads from the external layer. Type ^ 



5, 5a. Gorgonia gracilis V. (5a purple; 56, yellow var.). Type, X7.. ^ 



6. Gorgonia hartti V. One of the meshes to show calicles. Type, X 14. • • • • ^ 



7, 7a. Gorgonia braziliensis, V. Side and profile views of a branch of the type, x 1* • • • • ^ 



8. Phyllogorgia frondosa V. Portion of frond to show calicles of type, X 7 ^ 



9, 9a. Leptogorgia rathbuni V. Portions of two branchlets of type, XH.-- 393 



399 



spicules ; a to c* regular and subregular crosses; 

 ses or twinned forms; h, h', triquetral forms; 



10| 10a. L. rubropurpurea V. Tip and middle of a branchlet of the type, X 14 



11. 

 12, 12a 



L. pumicea (Val.). Portion of a branchlet of No. 892, X 14. ••••••••• \V ' •' ' ' ' > ' \h e 



2a. PlexaureUa braziliana V. Tangential section and portion of the exterior 01 



type, X 3.7 • • • • • • • • ' ' ' y Wj 387 



13, 13a. PlexaureUa verrucosa V. Transverse and tangential sections of the type, a 0. . ^ 



P. cylindrica V. Tangential section of the type, X 3.7 • y - i '^,' v ities- 



P. braziliana V. Tangential section seen by transmitted light; p, p , poiyp-cav , ^ 



14. 



15. 



the small white, spots are open ends of tubules, X 24 



