1895.] MICROSCOPICAL JOUKJSTAL. 209 



114. ACROSPYRIS. 



Shell .S-sided pyramidal ; cephalis campaniilate pyramidalis 



Shell spinulate ; cephalis nut shaped, very largre macrocephala 



115. PATAGOSPYRIS. 



Shell tnberculate ; 12-15 parallel triangular feet confluens 



Shell tuberculate ; 15-20 divergent lanceolate feet lanceola:a 



Shell smooth ; 6-9 broad feet stiligera 



116. DESMOSPYRIS. 



Shell tul)ercalat€ ; 15-20 feet about as long as the thorax anthocyrtoides 



117. SPH.EROSPYRIS. 



In centre of basal plate a rectangular cross with 4 equal pores sphsera 



118. BOTRYOPERA. 



Cephalis quadrilobate quadriloba 



119. BOTRY^OPYLE. 



Cephalis trilobate ; thorax ovate cribrosa 



Cephalis quiuque lobate ; thorax conical cephalodes 



120. BOTRl OCELLA. 



Cephalis trilobate ; occipital lobe helmet-shaped nncnla 



121. LITHOBOTRYS. 



Cephalis trilobate ; thorax with few small pores. geminata 



Cephalis trilobate ; thorax with very numerous small pores. ..lithocorythium 



Cephalis quadrilobate ; thorax with rather large pores.. nasuta 



Cephalis quinquelobate ; thorax with few small pores ornata 



122. BOTRYOCAMPE. 



Cephalis quinquelobate ; occipital lobe helmet-shaped galea 



Three genera were omitted in the Key to the Genera, namely : — 



Cortina, Stephanium and Stephaniscus. 



Cortina and Stephanium should be inserted after Zygocircus [p. 30^, Jour- 

 nal, Nov. 1S93.) and the Key should read : — 



17. Family STEPHANIDA. One ring. 



A. AVithont basal feet. 



Branched spines Dendrocircus 



No branched spines Zygocircus 



B. With basal feet. 



Three /eet Cortiu 



