262 



Index to Notes. 



24 ; central position of organ, ii. 10. 25 ; 

 how related to taste, iv. 11. 8 ; this sense 

 less developed in man than other animals, 

 ii. 16. 14 ; in insects, ii. 16. 10 ; in 

 cetacea, ii. 16. 9 ; in fishes, ii. 10. 13. 



Smurasna, iv. 13. 11. 



Solen, iv. 7. 4. 



Solid, definition of, ii. I. 3. 



Soul, its nature and genesis, 1. I. 14 ; how 

 related to several modes of vital motion, 

 i. I. 16 ; how far within the province of 

 natural science, i. I. 17 and 18 ; heat 

 only its instrument, 1. i. 13, ii. 7. 7, 

 iv. 10. 1 1 J Plato's account of it, iii. 

 10. 4. 



Spallanzani, as to temperature of fishes, 

 ii. 2. 8. 



Species, i. i. 2. 



Speech, foundation of human excellence, 

 ii. 2. 5. 



Spinal cord, confounded with marrow, 

 ii. 6. 4. 



Spit and candlestick, in one, iv. 6. 15. 



Spleen, and liver, iii. 7. i and 4 ; shape in 

 different animals, iii. 12. 6 and 7 ; its 

 uses, iii. 7. 15 ; very liable to disease, 

 iii. 4. 38 ; enlarged in marshy districts, 

 iii. 7. 16 ; size in different animals, iii. 

 7. 4 and 14 ; said by Plato to be blood- 

 less, iii. 7. 12. 



Sponges, sensibility of, iv. 5. 53 ; no intes- 

 tinal cavity, ii. 3. 9. 

 . Spontaneity, i. 1.9. 



Spouting, of whales, iv. 13. 39, 



Spurs, of birds, iii. I. 6. 



Starfish, iv. 5. 53 ; mischief done by, iv. 

 5- 63- 



Stmg-ray, iv. 1 3. 4. 



Stomach, upper and lower, ii. 3. 6, iii. 14. 



31 ; is multiple in ruminants to atone for 



want of teeth, iii. 14. 4 and 15, iv. 1.6; 



types of shape, iii. 14. 25 ; of birds, 



iii. 14. 10, II and 12; of mullet, iii. 



14. 19. 

 Suet, and lard, ii. 5. i. &(f Fat. 

 Sweat, bloody occasionally, iii. 5. 8. 

 Swimming, resemblance to flight, i. 4. I. 

 Symmetry, of organs bilateral, iii. 7. 2 ; 



more perfect in organs of animal than of 



vegetable life, iii. 5. 4. 



Tadpole, the only footed animal that has 

 gills, iv. 13. 40; not recognised as 

 larval form, iv. 13. 7 ; its tail, iv. 13. 8. 



Tail, various uses, iv. 10. 43 ; how used by 

 birds, iv. 12. 24; supposed correlation 

 with other parts, li. 14. 4 and 5. 



Taste, relation to touch, ii. 10. 22 ; relation 

 to touch and to smell, iv. 11. 8; its 

 organ and medium, ii. 10. 10 ; acute in 

 man, ii. 16. 14; dull in fishes, iv. 11. 7. 



Teeth, inverse relation to horns, iii. 2. 19 ; 

 resembling horns, iii. 2. 21 ; of carni- 

 vora, iv. 1 1. 19; of seals, iv. 13.44; 

 of camel, iii. 14. 3 ; of reptiles, iv. 11. 

 12 ; of fislies, iii. i. 7 and 9, iv. 13. 30 ; 

 of sharks, iii. 1.8; of cephalopods, iv. 



5.4; of Crustacea, iv. 5. 5 ; of snails, 



iv. 5. 10 and 26 ; how represented in 



insects, iv. 5. 7. 

 Temperature, no measure of, ii. 2. 18 ; of 



different animals, ii. 17. 19 ; maintained 



by food, iv. 5. 77. 

 Tendons, iii. 4. 20. 

 Testacea, characters and subdivisions, iv. 



5. 25 ; tongue, iv. 5. 6 ; teeth, iv. 5. 26 ; 



proboscis, iv. 5. 27 ; crop, iv. 5. 28 ; 



operculum, iv. 5. 31 ; liver and stomach, 



iv. 5. 29 ; heart, iv. 5. 67 ; ovary, iv. 5. 



44 and 47 ; without generative secretions, 



iv. 5. 68. 

 Testes, A.'s notion of, iv. 13. 34; of 



ophidia, iv. I3-.35- 

 Tethya. See Ascidia. 

 Teuthi, iv. 9. i. 



Theoretical, and other sciences, i. 1.4. 

 Tickling, iii. 10. 8. 

 Tissues, relation to organs, ii. i. 5. 7, 8 



and 9, ii. 2. 3 ; attempt of Theophrastus 



to resolve them into simpler elements, 



ii. I. 5. 

 Toes, number of in various groups, iv. 10. 



21 ; number supposed to be related to 

 number of mammae, iv. 10. 26 ; of pig, 

 iii. 12. 8 ; of elephant, ii. 16. 6 ; of 

 birds, iv. 12. 30 ; of waders, iv. 12. 



22 ami 31 ; of grebes, iv. 12. 8 ; of birds 

 of prey, iv. 12. 17 j of scansorial birds, 

 iv. 12. 33. 



Tongue, of seal, iv. 11. 10 ; of parrot, 



ii. 17. 3; of reptiles, iv. Ii. 5; of 



serpents and lizards, ii. 17. 7, iv. 11. 



10 ; of crocodile, ii. 17. 9 and 10 ; of 



cephalopods, iv. 5. 4 ; of Crustacea, iv. 



5. 5 ; of testacea, iv. 5. 6; of insects, iv. 



5. 8 ; of echini, iv. 5. 37. 

 Torpedo, iv. 13. 3. 

 Tortoise, habits, iii. 8. 4 ; lung, iii. 8. 5 ; 



bladder, iii. 8. 3, iii. 9. 3 ; kidneys, iii. 



9. I. 

 Touch, whether one sense or many, ii. r. 



13 ; why the primary sense, ii. 8. I ; 



fle.sh its medium, ii. 8. 2, ii. 10. 10 ; its 



close relation to taste, ii. 10. 22, iv. 11. 



8 ; acute in man, ii. 16. 14. 

 Trachea, position of orifice, iii. 3 5 ; use 



of length, iii. 3. 8 ; relation to heart, 



iii. 3. 9 ; of birds, iii. 6. i. 

 Trans-olent, and trans-sonant, ii. I. 12. 

 Treatises, on Health and Disease, ii. 2. 10, 



ii. 7. 14 ; on Natural History, ii. i. i ; 



on Nutrition, ii. 3. 16 ; on Motion of 



Animals, iv. 13. 13 ; were illustrated, 



iv. 5- 34, iv. 9- 5- 

 Trygon, iv. 13. 4. 



Turbinata. See Gasteropoda and Testacea. 

 Tusk.s, not present in homed animals, iii. 



I. 3 ; weapons of defence or offence, iii. 



I. I ; of elephants, iii. 2. 19; of 



Babirussa pig, iii. i. I, iii. 2. 21. 

 Type, laws of, iv. 13. 15. 



Umbilical, vesicle, iv. 12. 15 ; cord, ii. 

 3. 10. 



