_Portunus puber_ (Velvet crab), 68. _Porcellana longicornis_ (Minute Porcelain crab), 79. Periwinkle, 95. _Pagurus bernardhus_ (Hermit crab), 96, 108, 146. Pecten, 108, 370. Prawn, Common (_Palæmon squilla_), 137. _Phyllodoce laminosa_, 155. _Purpura lapillus_ (Whelk), 103, 168. Portuguese man-of-war, 212. Pholas (_crispata_), 84, 153, 236, 245, 258, 365. Pholas (_dactylus_), 260. _Pentacrinus Europæus_, 275. _Psolus phantapus_, 304. Pike-fish, 339. _Pinnotheres pisum_ (Common Pea-crab), 82. Pinna, 83. Partane, The (Edible crab), 65, 124. _Pulmonigrade acalephæ_, 21l. _Physograde acalephæ_, 211. _Parthenogenesis_, 218. _Rotifera_, or Wheel-bearers, 36. Rosy Feather star, 276. Rosy Heart urchin, 300. Rockling (Five-bearded), 347. Razor-fish, 323. Stickleback, 25, 108, 352. _Sertularia_, 41. Ship Barnacle, 145. Sea-Mouse, 267. Star fishes, 273. _Solaster papposa_, 167, 286. _endeca_, 286. Sea Urchins, 289. Silky Spined urchin, 299. Sea Cucumbers, 303. Sea Hares, 309. _Serpulæ_, 315. _Sabellæ_,315, 319. _Solen siliqua_, Razor-fish, 324. Soldier crabs, 92. Shrimps, 137. _Saxicavæ_, 248. Sucker fishes, 348. Shore crab, 65, 68, 72, 120, 235. Swimming crab, 66. Spider crab, 78. _Salex vitellina_ (golden willow), 87. Silver Willie (_T. zizziphanus_), 191. _Terebella figulus_ (the potter), 191, 195. _littoralis_, 197. Trepang, 304. Top-shell, 132. _Trochus_, 146. Tubiculous annelids, 162, 194. Tanks, 355. _Uraster rubens_, 167, 281. _Ulva latissima_, 98, 180, 367, 368. Univalves, 94. Urchins (Sea), 298. _Vorticellæ_, 35, 38. Velvet Fiddler crab, 66, 74. Whelk (_Purpura lapillus_), 168. _Zoothamnium spirale_, 43. _Zooids_, 219. Zoophytes, 47, 49. NEW WORKS SUITABLE FOR PRESENTS, &c. JUST PUBLISHED, BY T. NELSON AND SONS, LONDON AND EDINBURGH. BY THE REV. WILLIAM ARNOT. _Roots and Fruits of the Christian Life; or_, Illustrations of Faith and Obedience. By the Rev. W. ARNOT, St. Peter's Free Church, Glasgow. Crown 8vo. Price 7s. 6d. SELECTION FROM CONTENTS. Faith, Hope, Love. All Things Yours, when You are Christ's. Vessels Chosen, and Used In the Work of the Lord. The Use and Abuse of the World. Christians in Darkness, when Christ is not Near. Living Faith and Working Faith. The Kingdom in Word and the Kingdom in Power. The Strait Gate not a Shut Gate. Good Cheer for Sad Hearts. Godly Sorrow and Its Precious Fruit. Man and his Glory like the Grass and the Flowers. The Peace of God Ruling in the Heart. &c. &c. By the same Author (Thirteenth Thousand), _Illustrations of the Book of Proverbs. First_ and Second Series in Two Volumes. Crown 8vo. Price 13s. Morocco antique, Price 30s.