268 ORISMOLOGY. 
36. Lacenirorm (Lageniformis).  Bellying out and 
then ending in a narrow neck, something like a 
bottle. Ex. Sperm-reservoir attached to the oviduct 
in Pieris. Puare XXX. Fie. 12. d. 
37. Constrict (Constricta). Suddenly and dispro- 
portionably smaller at one end. Pxrate XXII. 
Fie. 15. 
38. Lunirorm (Luniformis). Whose longitudinal sec- 
tion is lunate. Pirate XIII. Fie. 4. 
39. Novos (Nodosa). Having one or more knobs or 
swellings. PxiatE XII. Fie. 5. 
40. GENICULATE (Geniculata). Bent so as to form a 
knee or angle. Puate XII. Fie. 7. 
VII. SUPERFICIES. 
iA AS: 
1. Disk (Discus). The middle of a surface. 
2. Lime (Limbus). ‘The circumference. 
3. Marein (Margo). ‘The extreme sides. 
4. APEX (Apex). ‘The summit. 
-§. Base (Basis). ‘The bottom. 
6. SUPINE Surrace (Pagina superior). The upper 
surface. 
7. Prone Surrace (Pagina inferior). The under sur- 
face. 
i. ELEVATION ano DEPRESSION. 
1. Navicutar (Navicularis). When two sides meet 
and form an angle like the outer bottom of a boat. 
Ex. Notonecta glauca. 
