DESCRIPTION OF PLATES. 



PLATE 



I. Fig. 1, Catenicella lorica, p. 6, natural size; fig. 2, 

 front ; fig. 3. back. 



II. Fig. 1. Catenicella ventricosa, p. 7,front; fig. 2, back. 

 Fig. 3. Catenicella hastata, p. 7, front; fig. 4, back. 



III. Fig. 1. Catenicella ventricosa, p. 7, (var.) front; 



fig. 2, back ; fig. 3, ovicell. 



Fig. 4. Catenicella ventricosa, p. 7, (flfl/*. maculata) 

 front ; fig. 5, back. 



IV. Fig. 1 . Catenicella aurita, p. 8, front ; fig. 2, 



fig. 3, ovicell. 

 Fig. 4. Catenicella amphora, p. 8, front ; fig. 5, 



V. Fig. 1. Catenicella plagiostoma, p. 8, front; fig. 2, 



6ac&. 

 Fig. 3. Catenicella cribraria, /ro/i# ; fig. 4, &ac. 



VI. Fig. 1. Catenicella margaritacea, p. 9, front; fig. 2, 



side view? ; fig. 3, 5ac&. 



Fig. 4. Catenicella carinata, p. 12, front ; fig. 5, 

 ovicell; fig. 6, sicfe view. 



VII. Fig. 1. Catenicella formosa, p. 9, front ; fig. 2, back. 

 Fig. 3. Catenicella gibbosa, p. 12, front ; fig. 4, back. 



VIII. Fig. 1. Catenicella perforata, p. 10, front; fig. 2, 



back and side views. 

 Fig. 3. Catenicella ringens, p. 10, front ; fig. 4, back. 



