498 DR KNOX on the Stomach of the Peruvian Lama. 



PLATE XVII. 



Fig. 1. Shews the larger assemblage of cells in the paunch, drawn with great care, 

 so as to explain their form, size, and, above all, the correct arrangement 

 of the bundles of muscular fibres. 



Fig. 2. Is intended to shew the termination and ultimate course of the muscular 

 apparatus of the cells. Towards the upper margin the fibres gradually 

 widen and separate from each other, sweeping around in concentric circles. 

 They are ultimately lost in the general muscular tunics of the stomach. 



PLATE XVIII. 



Fig. 1. The cells of the paunch of the natural size. 



Fig. 2. Points out the structure of the cells in the second stomach, which has 

 been laid open ; the narrow contracted passage, leading to the third and 

 fourth stomachs. The third stomach is marked a, and the upper part of 

 the fourth is marked b. They are distinguished from each other merely 

 by their structure, there not being any contracted portion to form them 

 into distinct cavities. 



Fig. 3. Shews the termination of the fourth stomach, and the whole of the fifth, laid 

 open : the structure of these cavities has been sufficiently described in 

 the text. 



