566 GEOLOGICAL SURVEY OF THE TERRITOlilES. 



EXPLANATION OF PLATE XXVI. 



Fig. 1. Estheria morsel Pack ; male, much enlarged. 



Fig. 2. Estheria morsel ; male, first foot. 



Fig. 3. Eulimnadia texana Pack. ; end of first' antennae, showing the olfactory papillae, 



and crowded nerve sense-cells. 

 Fig. 4. Limnetis gouldii Baird ; end of first antennae, showing the nerve-endings, the 



large nerve-cells, and the long, finger-like olfactory papillae, X i A. 

 Fig. 4o. Portion of end of the same, X i B ocular, showing the nuclei in the papills 

 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. ) 

 Fig. 5. Limnetis irevifrons Pack. ; first antenna. 

 Fig. 5a. End of the same (Fig. 5), much enlarged. 

 Fig. 6. Limnetis gouldii ; portion of the ovary, X i A. 

 Fig. 1 was drawn by Mr. E. Burgess ; the other figures by the author. 



