DIVISION

Fig. â2 Vibrio tripunctatus (Navicula tripunctaU, E.).

A3 — paxillifer.

^^ — luiiula.

2« DIVISI05.

â5 Vibrio ragula.

A6 — spiriUum (Spirillum voluUns, E.).

47 — maUeus.

48 — saçitta.

49 — colymbus.

50^ 51 — strictus.

166, 168, 170. ,. — fasciola (Trachelius fasciola, £.).

52, 53 — olor (Lacrymaria olor, E.).

54 — anser (Amphileptus anser, E.\