Figs. 4-7: Dorsal view of female of Parategastes sphaericus (4), Porcellidium viride (5), Peltidium purpureum (6), Macrosetella gracilis (7). Figs. 8-9: The two basic types of Antenna – Tisbe furcata (8), Thalestris longimana (9). See Glossary for explanation of annotation.
Figs. 10-20: Mouthparts. A typical Mandible (10), Maxillule (11) and Maxilla (12), all of Amphiascus minutus. The maxilla in the Ectinosomidae (13 – Halectinosoma sarsi; 14 – Pseudobradya distinctum; 15 – Lineosoma intermedia). Various conditions of the Maxilliped – Halectinosoma sarsi (16), Parathalestris clausi (17), Amphiascus minutus (18), Paramesochra dubia (19), Leptastacus macronyx (20).
Fig. 21: Diagram of a thoracic locomotor appendage. Figs. 22-32: Various conditions of P.1 – Porcellidium viride (22), Peltidium purpureum (23), Harpacticus pacificus (24), Clytemnestra scutella (25), Tisbe furcata (26), Euterpina acutifrons (27), Laophonte serrata (28), Metis ignea (29), Psammopsyllus tridentatus (30), Ichnusella eione (31), Anoplosoma sordidum (32).
Fig. 33: Cylindropsyllus laevis, P.4. Figs. 34-35: Amphiascus minutus, a typical P.5 (F) (34) and P.5 (M) (35) drawn to the same scale. Note that in the male the pair of P.5 may be fused together. Figs. 36-39: P.5 (F) of Halectinosoma sarsi (36), Pseudomesochra longifurca (37), P. similis (38), Paraidya major (39). Fig. 40: Modified Basis spines in P.1 (M) of Amphiascus minutus. Fig. 41: Modified P.2 Enp. (M) of Laophonte cornuta.