EsSTERLY.— Eucalanus 
FG. 
Fia. 
Fia. 
Fig. 
Fic. 
Fig. 
Fig. 
Fig. 
Fic. 
06. 
ov. 
58. 
59. 
60. 
61. 
62. 
63. 
64. 
PLATE 6. 
All figures reproduced from photographs of sections. 
Dorsal aspect of portion of frontal section of brain, showing the 
nerves (n.) from the organs of Claus. X 540. 
The same section at slightly different focus and less magnification 
is shown in Figure 60. 
An organ of Claus in frontal section; basal plates and interior 
bodies (pha’so.) well shown. Vom Rath. X 405. 
The section shown in Plate 1, Figure 7. X 380. 
The section drawn in Figure 2 (Plate 1). 
Dorsal aspect of portion of frontal section of brain, showing the 
organs of Claus. X 390. 
The section from which Figure 18 (Plate 2) was drawn. X 420. 
Frontal section of eye seen from the dorsal side. Vom Rath. X 
475. 
Anterior face of a cross section of an eye, showing sharply defined 
basal plates, tapetum, hypodermis, and cuticular body wall. 
Zenker; iron haematoxylin. X 560. 
The section immediately dorsal to the one shown in Figure 59. 
x 500. 
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