PLATE XXIII. 



Figs. 1 and 2. Parlatoria zizyphus Lucas, showing the more regular arrange- 

 ment of the dorsal glands. Drawn with 4 ocular and I objective. 

 a. — anal orifice, 

 b. — chitinized disk, 

 c. — dorsal-gland, 

 d. — marginal gland. 

 e. — median dorsal gland, 

 f. — dorsal gland orifice, 

 g. — marginal-gland orifice. 



h. — pair of glands between anal orifice and the third lobe. 

 i. — first lobe, 

 j. — second lobe, 

 k. — third lobe. 

 1. — fourth lobe, 

 n, — plate, 

 o. — spine. 



p. — spinnerets, circumgenital, grouped or ventral glands, 

 q. — anterior group of circumgenital glands. 

 r. — posterior group of circumgenital glands. 



