3. — Thursday, January 17th. — Molldsca or Shells. — Nervous, circulating, respiratory 

 and locomotive organs of molluscs in general. Sea-mat; lamp-shells ; fresh water 

 and marine mussels ; formation of pearls. The oyster ; snails, slugs, periwinkles, 

 limpets and whelks. Development of the young. Cuttle-fishes and squids ; paper 

 nautilus and pearly nautilus ; shipworm and pholas. 

 4. — Thursday, January 2-itli. — Stari'ishes, Worms, and Crabs. — Starfishes and sea- 

 urchins ; their structure, habits, and metamorphoses Sea-eucumber and trepang. 

 The earth-worm and leech. Intestinal worms ; their structure and mode of 

 entrance into animal bodies. Crustacea (lobsters, eray-fish and crabs), barnacles, 

 and acorn shells ; their changes and mode of growth. 

 5. — Thursday, January 31st. — Insects and their Allies. — Spiders, scorpions, and cen- 

 tipedes. Insects ; their mode of breathing compared with that of spiders and 

 crustaceans. Structure of wings. Parts of the mouth in beetles, bees, butterflies, 

 &c. Structure of the eyes, nature of stings, saws and ovipositors. The blistering 

 beetle, silk-moths, bees, cochineal insect ; plant-lice, house-fly, locusts, &c. Meta- 

 morphoses of Insects. 

 G and 7. — Thursdays, February 7th and 14th. — Fishes. — Circulation, respiration, and 

 development. Their dentition. Natural and economical history of the lamprey, 

 sprat, sardine, herring, pilchard, salmon, trout, eel, cod, haddock, sole, flounder, 

 turbot, mackerel, tunny, sturgeon, skate, ray, dog-fish and shark. Electrical fishes. 

 Fishes capable of living in air, and other remarkable fishes. Fossil fishes. 

 8. — Thursday, February 21st. — Amphibia and IxEi'TiLES.^Salamanders, newts, and frojis. 

 Their metamorphoses. Circulatory and respiratory organs of reptiles as dis- 

 tinguished from those of fishes and amphibia. Snakes, lizards, crocodiles, turtles 

 and tortoises. Footprints at Storeton; Ichthyosaurus, Plesiosaurus, and other 

 extinct forms. 

 9 and 10. — Thursdays, February 28th and March 7th. — Birds. — Organs of locomotion, 

 respiration, voice and circulation in birds. Structure and growth of feathers. 

 Development of the egg. Migration and instincts of birds. Origin of domestic 

 birds. Birds of prey ; perching birds ; climbing birds ; game birds ; wading and 

 swimming birds. Dinornis, dodo and other extinct birds. 

 11 and 12. — -Thursdays, March 14th and 21st. — Mammals. — Organs of respiration and 

 circulation in mammals. Nutrition of young. Teeth of mammals. Ivory and fur- 

 producing mammals. Hybernation and migration. Echidna and duck-mole. 

 Pouched mammals or marsupials. Rodents or gnawing mammals, beaver, hare, 

 rat ; Bats and insect-eating mammals, moles, and hedgehogs ; sloths and 

 armadillos ; cetaceans (whales, porpoises) ; sea-cows ; hoofed mammals, elephant, 

 tapir, horse, hog; ruminating mammals; bea&ts of prey; quadrumana or four- 

 handedinamin.ils, apes, orang and gjrilla. Man. Fossil Mammals. 



TEN LECTURES ON GEOLOGY AND MIXING. 



By E. H. Birkenhead, D.Sc, F.G.S., Master of the Liverpool School of Science, 



and of the Wigan School of Mines. Lecturer on Chemistry and Toxicology 



AT THE Liverpool Eoyal Infirmari' School of Medicine. 



1- — Frida}', January 4th.— Geological Changes now in Progress. Part I. — Uniformity 

 between ancient and modern Geological changes. The chief of those now pro- 

 ceeding. Means by which rocks are broken down and prepared for removal. 

 Action of running water. Transport of material. Waterfalls. Formation of 

 Deltas. Glaciers and Icebergs. Work done by the .sea. 



