SOHIZOPODA. 
39 
EXPLANATION OF THE PLATES. 
PLATE I. 
Euphausia superha. 
Fig. 1.—Male, 45 mm., dorsal view of anterior end x 10. 
Fig. 2.—Female, 45 mm., dorsal view of anterior end x 10. 
Fig. 3.— Glacial is" stage, dorsal view of anterior end x 15. 
Fig. 4.—Late Cyrtopia stage, dorsal view of anterior end x 30. 
Fig. 5.—Mandibular palp x 13. 
Fig. 6.—Second maxilla x 13. 
Fig. 7.—First maxilla x 13. 
Fig. 8.—First thoracic limb, endopod x 9. 
Fig. 9.—Second thoracic limb, endopod x 9. 
Fig. 10.—Lateral spine on carapace of female, 50 mm. x 30. 
Fig. 11.—Lateral spine on carapace of male, 45 mm. x 30. 
Fig. 12.-—Lateral spine on carapace of male, 39 mm. x 30. 
PLATE II. 
Euphausia crystallorophias. 
Fig. 1.—Male, lateral view of entire animal x G. 
Fig. 2.—Female, dorsal view of anterior end x 15. 
Fig. 3.—Mandibular palp x 30. 
Fig. 4.—First maxilla x 30. 
Fig. 5.—Second maxilla x 30. 
Fig. 6. — First thoracic limb x 20. 
Fig. 7.—Second thoracic limb, endopod x 20. 
Fig. 8.—Calyptopis larva x 40. 
Fig. 9.—Furcilia larva x 20. 
Fig. 10.—Cyrtopia larva x 20. 
PLATE III. 
Thysanoessa macrura. 
Fig. 1.—-Female, 28 mm., lateral view x G. 
Fig. 2.—Female, dorsal view of anterior end x 10. 
Fig. 3.—Antennal scale and peduncle x 15. 
Fig. 4.—Mandibular palp x 30. 
Fig. 5.—First maxilla x 30. 
Fig. G.—Second maxilla x 30. 
Fig. 7.—First thoracic limb, endopod x 30. 
Fig. 8.—Second thoracic limb, endopod x 15. 
Fig. 9.—Seventh thoracic limb, endopod x 30. 
Fig. 10.—Rudimentary eighth thoracic limb x 60. 
Fig. 11.—Endopod of the first pleopod of the male x GO. 
Fig. 12. — Endopod of the second pleopod of the male x CO. 
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