ENTOZOA OF MARINE FISHES. 
541 
Plate V. 
Echinorliynchus pristis, Rudolplii. 
Var. tenuispinis. 
Fig. 42. Portion of proboscis of female from L. surinamensis, X about 200. 
Fig. 43. Hooks from proboscis of male from L. surinamensis, X 200". 
Fig. 44. Hooks, same as Fig. 42, isolated, X about 200. 
Fig. 45. From same as Fig. 43, X about 200. 
Fig. 46. Spines from anterior part of body of female from L. surinamensis, X about 
200 . 
Fig. 47. Same as Fig. 46, but’nearer anterior end. 
Fig. 48. Spine from anterior part of body of male from L. surinamensis (see Fig. 50), 
X 200. 
Fig. 49. Spine immediately behind neck (see Fig. 50), X 200. 
Fig. 50. Male from T. caribbceus, X about 27 diameters. (Sketch from life.) 
Fig. 51. Hook from proboscis of same, lateral view, X about 225. 
Fig. 52. Front view of hook, same, X about 200. 
Fig. 53. Portiou of proboscis of male from T. caribbceus, X 200. 
Fig. 50 from sketch by M. B. Linton, others by author. 
Plate VI. 
Echinorliynchus incrassatus, Molin, young. 
Fig. 54. Young male from peritoneum of Lopliius piscatorius, sketches from living 
specimen compressed, X 15. 
Figs. 55 to 58. Epidermal spines anterior part of body of same, X about 200. Figs. 
55 and 58, front view; Fig. 57, side view of same; Fig. 56, two lateral 
views of same spine, seen in planes at right angles to each other. 
Fig. 59. Caudal spines of same, X 225. 
Fig. 60. Hooks near base of proboscis of same, X 200. 
Fig. 61. Hooks near apex of proboscis, front view of same, X 200. 
Fig. 62. Hooks near middle of proboscis of same, lateral view, X 200. 
Fig. 63. Hooks near apex, lateral view, X 200. 
Fig. 64. Nucleated cells ranging from 0.02 to 0.06 ram in diameter. These lay in clusters 
near the proboscis sheath, shown by the oval, shaded patch lying behind 
the proboscis sheath in Fig. 54. 
Fig. 65. Young specimen from peritoneum of Paralichthys dentatus, sketch from alco- 
holic specimen, X about 27 diameters. 
Fig. 66. Epidermal spines, anterior part of body of specimen from peritoneum of Po- 
matomus saltatrix, X about 200. 
Figs. 67 to 69a. Hooks from proboscis of same, same enlargement, viz, about 200 
diameters; 67, mediau; 68, near apex; 69 and 69a, basal. 
Sketches by the author. 
