SPARSICATEA. 
391 
D. 3486. Two worn fragments of form undulata (on slide). Maastrichter 
Kreide. Maastricht. Yan Breda Coll. 
D. 3528. Four fragments (in tube) . Maastrichter Kreide. Maastricht. Van 
Breda CoU. 
D. 1377. Two very worn fragments (oh sKde). Maastrichter Kreide. 
Maastricht. Vine Coll. 
D. 3476. One long branched specimen with well-preserved lateral notches and 
a worn basal fragment, probably also of this species (in tube). 
Maastrichter Kreide. Maastricht. Van Breda Coll. 
60,157. A series of branches. Maastrichter Kreide. Maastricht. Van 
Breda ('oil. 
D. 7101. A longitudinal and transverse branch cut from a specimen of 60,157. 
Fig. Ko. 51. 
D. 7103. A transverse section (on slide). Maastrichter Kreide. Maastricht. 
Van Breda Coll. 
D. 3478. Eight branches (in tube) . Maastrichter Kreide. Maastricht. Van 
Breda Coll. 
D. 3560. A long branch (on slide). Maastrichter Kreide. Maastricht. Van 
Breda Coll. 
D. 3480. A series of branches (in tube). Maastrichter Kreide. Maastricht. 
Van Breda Coll. 
D. 3483. Three well-preserved branches (on slide). Maastrichter Kreide. 
Maastricht. Van Breda Coll. 
D. 3482. Three fragments cut to show longitudinal median, longitudinal 
marginal, and transverse sections (on slide). Maastrichter Kreide. 
Maastricht. Van Breda Coll. 
D. 3484. Two fragments, one of which is the proximal part of a stem (on slide). 
Maastrichter Kreide. Maastricht. Van Breda Coll. 
D. 3474. A thick branch with base (on slide). Maastrichter Kreide. Maastricht. 
Van Breda Coll. 
D. 3475. A long, well-preserved branch (in tube). Maastrichter Kreide. 
Maastricht. Van Breda Coll. 
D. 3753. A worn branch (on slide). Maastrichter Kreide. Maastricht. Van 
Breda Coll. 
D. 6342. A worn branched specimen (on slide). Maastrichter Kreide. 
St. Pierre. Busk Coll. 
D. 6341. Several worn fragments (on sHde) . Maastrichter Kreide. Bemelen. 
Busk Coll. 
4. Sparsicavea cicatrix, nov. 
Diagnosis. 
Zoarium of cylinchical, dicliotoinous brandies. The surface is 
marked by bare lateral areas without ridges or apertures. 
The surface is marked elsewhere by prominent ndges radiating 
from the peristomes. 
Apertures circular, iiTegularly quincuncial, in oblique series. 
