LIFE-HISTOBr OP A MONOPHLEBCS. 161 



Plate 17, 



M. Sfchbingl, Green, aud Veclalia Guerinii, Crotch. 



Fig. 1. Sal-branch with fully mature 5 scales feeding (from a drawing by 

 Author). 



2. Larva of Vedalia Guennii, dorsal view. 



3. „ I, side view. 



4. Sal-twig with (a) pupating larva, (b) sessile pupa, upon it, 



5. Pupa of V. Guerinii, sessile, upon a Sal-leaf. 



6. Beetle. 



7. Vedalia larva attacking § Monoplilebus-acale. 



4. Sal-twig with {a) Vedalia pupal skin after having been attacked by 



Vedalia larva, (b) larval skin after attacks of parasites, 

 9, Vedalia beetle attacking 5 Monop7iiebiis-sca\e. 



Plate 18. 



Upper portion of a Sal {Shorea rohista) sapling, showing the attacks of 

 MonopJilebus Stebbingi, Green (below), and of the larvEe of Boarmia selenaria, 

 Hiibn, (above). From a photograph by Mr. E. C. Milward, I.F.S. 



Note. — Small numbers against the figures give the enlargement. Un- 

 fortunately all the Plates, in reproduction, had to be reduced by about 

 Jjth. This reduction will therefore have to be allowed for to obtain the true 

 sizes of the figures shown. 



Bryozoa from Eranz-Josef Land, collected by tlie Jackson- 

 Harmsworth Expedition, 1896-1897.*— Part II. Cyclo- 

 stomata, Ctenostomata, and Endoprocta. By Abthub 

 Wm. Waters, E,L.S, 



[Read 17th March, 1904.] 

 (Plates 19-21.) 



The Cyclostomata are, on the whole, unreliable guides in ques- 

 tions of geographical distribution, for, as we all must recognize, 

 the classification of this suborder is unsatisfactory, although in 

 course of time the examination of the anatomy of the living 

 forms may lead to a natural classification being established. 

 The uncertainty concerning the classification of the Cyclo- 



* Continued from Vol. xxviii. p. 105. 

 LINN. JOTJEN. — ZOOLOGY, YOL. XXIX. 12 



