34 Proceedings of the Royal Society of Victoria. 



f.p. — Food particles, 

 iiu.m. — Nuclei of mastax. 



fib. — Muscle fibres cut across. 

 ce. — (Esophagus, 

 st. — Stomach, 

 int. — Intestine, 

 v.t. — Vibratile tags. 

 m.g. — Mucous gland, 

 s.c.g. — Special cement gland. 



g. — Ganglion or brain, 

 ant. — Antenna. 



t. — Trochus = Principal cili- 

 ary wreath. 



muc. — Mucous. 



ter. — Termination of foot. 



c.t. — Cut edge of tube. 



w.t.— Wall of tube. 



e.g. — Cement granules. 

 man. — Manubrium. 



ful. — Fulcrum. 



I.e. — Lateral canal. 



cu. — Cuticle. 



nu. — Nucleus. 

 tr.— Trophi. 



Fig. 



EXPLANATION OF FIGURES 



IIL, IV., AND V. 



L. stpiolata. 



1. Adult colony, x 7. 



2, Adult female. Dorsal aspect. 



and preserved specimens. 



3. 



Lateral view. 



ON PLATES 



Drawn from living 

 X 66. 

 From livin" animals. 



Dorsal view. From living animals. 



Adult female. 

 X 133. 



4. Young female. 



X 285. 

 4a. Male. Lateral view. From living animals. x 317. 



5. Longitudinal vertical section of adult female. Oc. mag. 



5. -J and Jjj immer. x 200. 



6. 7, 8, 9, 10. Successive longitudinal, horizontal sections 



of anterior. Six commencing immediately under 



the ventral surface. Viewed from the ventral. 



Oc. mag. 5. i and y^. o.im. x about 300. 

 n. Trophi of young female. Drawn from a specimen 



dissolved out with chlorinated soda. Oc. mag. 5. 



Yjj- immer. Dimensions : Breadth, "05 mm.; 



Depth, -02 mm. 

 12 and 13. Vibratile tag. Flat aspect and edge view. 



Drawn from living animal. Dimensions : 



Length, -012 mm.; Breadth, -0025 mm. Oc. 



mag. 8. -Xr immer. 



