INDEX. 147 
Reproductive organs, 11; of Sea Stone canal, 42. 
Anemone, 37; of Rock Starfish, Struthionide, 115. 
41; of Earthworm, 47; of Sea- Sub-costal vein, 91. 
squirt, 51.; of Cockle, 56; of Peri- Sub-operculum, 93. 
winkle, 60; of Garden Slug. 63; Symmetry, 7. 
of Sea Snail, 69; of Shore Crab, Synonym, 21. 
77; of Stick Insect, 82 ; of Blue- vs 
bottle Fly, 89 ; of Sea Mullet, 96. L 
Reptilia, 112. Tarsus, 73. 
Respiratory organs, 11; of Rock Taxonomy, ?. 
Starfish, 39; of Sea-squirt, 52; Tegulx, 87. 
of Cockle, 54: of Periwinkle,59; Teleostei, 110. 
of Garden Slug, 62; of SeaSnail, Tendon, 7. 
67; of Shore Crab, 77; of Stick Terga, 85. 
Insect, 81; of Blue-bottle Fly, Theriodonta, 115. 
88; of Sea Mullet, 94. Thorax, 79. 
Retina, 98. Thread cells, 37, 
Rhizopoda, 99. Tibia, 73. 
Rhynchocephala, 113. Tillodontia, 119. 
Rodentia, 120, Toxodontia, 119. 
Rotifera, 101. Trachee, 11, 81. 
Transverse vein, 91. 
S Trochanter, 75. 
Salivary glands, .60, 63, 69, 82, 88. Tunicata, 108. 
Sarcolemma, 9. Tunicine, 108. 
Sauropsida, 114. 0 
Sauropterygia, 112. 
Saurure, 114. Umbilicus, 66. 
Scaphopoda, 107. Umbo, 57. 
Sclerotic, 98. Ungulata, 119. 
Scutellum, 86. Ureters, 97. 
Secretion, 3. Urodela, 112. 
Segmental organs, 46, 48. Urohyal, 97. 
Setee, 45, 48. | 
Sex-glands, 11. i 
Shell, 57, 58, 62, Vagina, 82, 89. 
Simioidea, 120. Vagus nerve, 94, 98. 
Siphonophora, 100. Vas deferens, 47, 60, 64, 70, 89. 
Siphons, 53. Ventral fins, 93. 
Sirenia, 119. Vermes, 101. 
Somatopleure, 109. Vertebrata, 108. 
Spermatheca, 47, 64, 83. Vitellus, 6. 
Spermatozoa, 11, 38, 41, 47. Vitreous humour, 98. 
Spinal recurrent nerve, 94. 
Spiracle, 81, W 
Splanchnopleure, 109. White fibrous tissue, &. 
Spleen, 95. 
Spontaneous motion, 2. ¥ 
Steganopodes, 117. Yolk, 6. 
Stellerida, 102. 
Sternum, 73. Z 
Stomach, 42, 46. Zoantharia, 100. 
