Report on the Malacostraca, Pycnogonida and some Entomosti-aca. 



623 



PI. XLII. 



С. Young" stage of a Spirontocaris, figs. 21—30 (p. 52 Ij. 



Fig. 21. General appearance; at the side, the anterior part of carapace, seen 

 from above. 

 22. 1st and 2nd pair of antennae, eye. 



- 23. Mandible. 



24. 1st pair of maxillae. 



- 25. 2nd do. 



26. 1st pair of maxillipeds. 



- 27. 2nd do. 



28. 3rd 



do. 



and 1st and 2nd pair of pereiopods. 



29. 3rd — 5th pair of pereiopods. 



30. Telson and uropod. 



PL XLIII. 



D. Mysis stage of a Spirontocaris (?), figs. 31—39 (p. 522). 



Fig. 31. General appearance; 31a. the carapace seen from above. 



32. 1st and 2nd pair of antennae. 



33. Labrum. 



- 34. Mandible. 



35. 1st pair of maxillae. 



- 36. 2nd — 



37. 1st — 3rd pair of maxillipeds, 1st— 5th pair of pereiopods. 



38. 1st and 5th pair of pleopods. 



39. Telson and uropod. 



Alphabetical list of the species. 



abbreviata (Amblyops) 6И. 

 abdominalis (Phryxus) 545, 602, 617. 

 abyssi (Ascorhjnchus) 570. 



— (Halice) 504, 536 (abysis is a 

 misprint), 568, 575, 576. 



— (Hippomedon) 566. 



— (Ingolfiella) 580. 



— (Pardalisca) 597. 

 abyssicola (Cressa. Danaiai 571. 

 abyssorum (Anthelura) 580. 



— (Erythrops) 524, 607. 



Acanthephyra purpurea 515, 610. 

 Acanthephyræ (Holophryxus) 614. 

 Acanthoniscus typhlops 615. 

 Acanthonotosoma inflatum 586. 

 — serratum 596. 



Acanthostepheia Malmgrenii 571, 589. 

 Acantliozone cuspidata 534, 572, 575, 



596. 

 acanthurus (Tiron) 595. 

 Aceroides latipes 586. 

 Aceros phyllonN'x 572, 575, 596. 



aculeata (Rhachotropis) 589. 

 acus (Pallene) 580. 

 acutifrons (Thysanopoda) 610. 

 Æga arctica 614. 



— crenulata 614. 



— psora 614. 



— ventrosa 614. 

 Ægineila spinosa 573, 575, 577. 



— spinosissima 543, 600. 

 afflnis (Anonyx) 582. 



— (Metopa) 586. 

 Alaotanais (Neotanais) liastiger 580. 

 albifrons (Jæra) 601. 

 Alibrotus littoralis 530, 589. 

 Amathilla homari 541, 599. 



— pinguis 541, 590. 

 x\mathillopsis spinigera 568. 

 Ambasia Danielssenii 593, 615. 

 x\mbIyops abbreviata 611. 



— Crozetii 567 (Crozetti is a 

 misprint), 608. 



amoena (Melita) 583. 



