566 GEOLOGICAL SURVEY OF THE TERRITORIES. 
EXPLANATION OF PLATE XXVI. 
Fia. 1. Estheria morsei Pack; male, much enlarged. 
Fig. 2. Estheria morsei; male, first foot. 
Fig. 3. Lulimnadia texana Pack.; end of first antenne, showing the olfactory papille, 
and crowded nerve sense-cells. 
Fig. 4. Limnetis gouldii Baird; end of first antenne#, showing the nerve-endings, the 
large nerve-cells, and the long, finger-like olfactory papille, x 3 A. 
Fig. 4a. Portion of end of the same, x ¢ B ocular, showing the nuclei in the papilla 
and the series of nucleated sense-cells. (The line on the right side was 
drawn by mistake; it should form the left side of Fig. 4.) 
Fic. 5. Limnetis brevifrons Pack. ; first antenna. 
Fig. 5a. End of the same (Fig. 5), much enlarged. 
Fic. 6. Limnetis gouldii ; portion of the ovary, x 4 A. 
Fig. 1 was drawn by Mr. E. Burgess; the other figures by the author. 
