BYTHOCYTHERE. 



[ 126 ] 



CABEREAD.E. 



tion of the cells like teeth above, to emit 

 grumous masses of spermatozoids (fig. 85). 



JB. indusiata has been found at Aboyne, 

 in Aberdeenshire, by Prof. Dickie. 



BIBL. Bruch and Schimper, Bryol. Europ. 

 part i. ; Wilson, Bry. Brit. p. 198. 



Buxbaumia aphylla. 



Fig. 87. Fig. 88. 



Fig. 89. 



Fig. 87. A ripe capsule, magnified 15 diameters. 



Fig. 88. A plant in which the capsule has burst and 

 lost the spore-sac, &c., magnified 15 diameters. 



Fig. 89. Spore-sac exposed by removal of the wall of 

 the capsule, showing the filaments by which the spore- 

 sac is suspended within the latter ; magnified 40 dia- 

 meters. 



BYTHOCYTHE'RE, Sars. A genus of 

 Entomostraca (Ostracoda), fam. Cytheridse. 



Distinguished by the toothed mandibles, 

 the 4-jointed lower, and the 7-jointed upper 

 antennae. 



3 British living species : B. simpler, B. 

 constricta, and B. turgida. 



BIBL. Brady, Linn. Tr. xxvi. pp. 393, 

 450. 



BYTHOT'REPHES, Leydig. A genus 

 of Entomostraca, ord. Cladocera, fam. 

 Daphniadae. Allied to Polyphemus and 

 Evadne. 



B. longimanus. Caudal bristle two or 

 three times the length of the body. Found 

 in Scania. 



BIBL. Leydig, Daphnid. 244; Ann. N. H. 

 1862, ix. p. 135. 



Buxbaumia aphylla. 



Fig. 90. Fig. 91. Fig. 92. 



Fig. 92. A young fertile plant elevating its sporange 

 covered by the calyptra, magnified 15 diameters. 



Fig. 93. 



Fig. 94. 



Fig 93. Mouth of capsule, with double peristome and 

 recurved persistent annulus ; magnified l.'O diameters. 



Fig. 94. Columella with adherent operculum, both 

 capsule-wall and spore-sac having been removed; 

 magnified 60 diameters. 



CABE'REA, Lamx. A genus of Infun- 

 dibulate Polyzoa (Bryozoa), of the suborder 

 Cheilostoma'ta, and family Cabereadae. 



Distinguished by the unjointed polypi- 

 dom, with narrow branches; the cells in 

 two or three rows, vrith large vibracula 

 (whips) or sessile avicularia at the back, 

 placed obliquely in two rows. Two British 

 species. 



C. Hookeri ( CeUidaria Hook., Johnston). 

 Cells rounded, diverging, and projecting. 

 Rare. 



BIBL. Johnston, Br. Zooph. 338 ; Busk, 

 Mar. Polyz. 37 ; Hincks, Polyzoa, 57. 



CABE'READ^E. A family of Infundi- 



