367 



M\ RioTRocHus, Steenstrup. 

 1. M. ttinkii, Stp. Greenland. 



EXI'I.W \Thi\ OP PLATE XIV. 



Kgs. 1-17. Spicnla df Synopta digitata, Mont., magnified 125 diatnett 



Figs. 1—1 G. Anchors in various stages of growth. 

 Pigs. 7-1 I. Anchor-plates in various stages of growth. 

 Fig. 15. Dwarf anchor and plate, close to fig. 16. 

 Fig. 16. One of the larger anchors. 

 I'i-. 1 7. Miliary plates from one of the mnscolar bands. 

 Figs. 18-22. Spicula of Synapta inluerens, Midi., magnified 125 time,. 

 Pig. is. Long anchor and plate, from the Guernsej specimen. 

 Fig. 19. Anchor-plate more fully formed, from the Guernsey specimen. 

 Fig. 2D. Miliary plates, from llantry specimen. 



Pig. 21. Anchor and unfinished plate, from Bantry specimen. 

 Fig. 22. Anchor and plate in use, seen obliquely. 



Figs. 23-25. Spicula of Synapta bidentata, W. & 13., magnified 125 times. 

 Fig. 2.'5. Anchor of Chinese Synapta. 

 Fig. 24. Amhor-plate; the anchor thrown out of focus. 

 Fig. 25. Miliary plates ; the more complex from near the head. 



Fig. 26. One of the wheels of Chiridota Icevis, 0. Fahr., Greenland, magnified 

 1G0 diameters. 



Figs. 27-31. Wheels of Myriotrochm Rinkii, Stp., Greenland, magnified 

 Kio diameters. 



Figs. 27, 28. Young wheels, with unfinished Bpokes. 



Fig. 29. Wheel with the spokes full-grown and expanded at the end,. 

 Fig. 30. Wheel with the spines beginning to appear on the tire. 

 Fig. 31. Finished wheel of rather unusual size. 



(j. On tiii: Vespertilio suillus of Temminck, the n ii <>i 



THE GENERA MURINA (Gray), AND OCYPETES (LESSON). 



By Robert F. Tombs. 



Contemporaneously with the adoption of Kerivoula as a new 

 genus, Dr. Gray gave the name of Murina* to the species which 

 Temminck had long hefore described under the name <it' VeapertUio 

 tuillus. During the same year, M. Lesson hestowed on it the generic 

 appellation of Ocypetes-\. 



The departure in some of its external characters from the more 

 ordinary species of Vesper tilio was noticed hy the original de criber ; 

 i»nt as his genua Vespertilio was a very comprehensive one. no 

 generic separation was attempted. At a later date, bu( before the 

 appearance of the names proposed by Dr. Gray and M. Lesson, 

 Count Kcyserling and Prof. Hlazins, in the arrangement of the / «*> 

 prrtilionitfa- appended to their paper on European Bata published 

 iii the fifth volume of Wiegmann'a Archives, had placed this spears 

 by itself, immediately following their second group of the genus 

 ri espertilio, as an aberrant form, but without anj name. 



* Ann. and Mag. Nat lli^t. m.i. \. 1842 

 i Nonv.Tab. EtSg. \uim. p. 30 U 



