1895.] MICROSCOPICAL JOUKJSTAL. 209 



114. ACROSPYEIS. 



Shell 3-sided pyramidal ; cepbalis campanulate pyramidalis 



Shell spinulate ; cephalis nut shaped, very lar£;e macrocephala 



115. PATAGOSPYRIS. 



Shell tubereulate ; 12-15 parallel triangular feet confluens 



Shell tubereulate ; 15-20 divergent lanceolate feet lanceolaoa 



Shell smooth ; 6-9 broad feet stiligera 



116. DESMOSPYRIS. 



Shell tubereulate ; 15-20 feet about as long as the thorax anthocyrtoides 



117. SPH^ROSPYRIS. 



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



118. BOTRYOPERA. 



Cephalis quadrilobate quadriloba 



119. BOTRYOPYLE. 



Cephalis trilobate ; thorax ovate cribrosa 



Cephalis quinque lobate ; thorax conical cephalodes 



120. BOTRIOCELLA. 



Cephalis trilobate ; occipital lobe helmet-shaped uucula 



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 Zygocircna {p. 30j, Jour- 

 nal, Nov. 1893. ) and the Key should read : — 



17. Family STEPHANIDA. One ring. 



A. Without basal feet. 



Branched spines Dendrocircus 



No branched spines Zygocircus 



B. With basal feet. 



Three feet Cortin 



