Forest and stream . Geology goe=* to show that the early Pliocene andMiocene seas of Europe swarmed with several species ofanimals, which zoologists have good reason to believe werethe latter extinct ancestors of existing Sirenians (Hali-iherium). But the intermediate forms which connectedour living types, such as the Manatee, with the ancientones, to which 1 refer, have not as yet been have also held, and 1 think it is very probabletoo, that the Manatees and their kind are in some wayrelated links, remotely affined to the Cetaceans on theone hand, and the Ungulata on the
Forest and stream . Geology goe=* to show that the early Pliocene andMiocene seas of Europe swarmed with several species ofanimals, which zoologists have good reason to believe werethe latter extinct ancestors of existing Sirenians (Hali-iherium). But the intermediate forms which connectedour living types, such as the Manatee, with the ancientones, to which 1 refer, have not as yet been have also held, and 1 think it is very probabletoo, that the Manatees and their kind are in some wayrelated links, remotely affined to the Cetaceans on theone hand, and the Ungulata on the other; but even ofthis kinship the evidence is as yet not satisfactorily de-monstrated. Various other extinct sirenian species havereceived different names at the hands of paleontologists,but it is not our object to further pursue this part of thesubject here; one form, however, recently exterminated,fully deserves a word of passing notice, and I have refer-ence of course to the Northern Sea-cow (Rhytina stelleri).. Fig-. A.—Skull of African Manatee (Manatus scnegalensis), xl-5.(After Flower). Fig. H.—The from view of the head of the American Manatee,showing the eyes, nostrils and mouth, and with the lohes orthe njmer lip divaricated. Fig. < .—The same, with the lip contracted. (After Flower, fromMurie.) These figures all copied by the present writer. Archipelago, ranging from Barrow Reefs on the west toMoreton Bay on the east, they cannot properly claimour time and space here, as interesting as they are inmany particulars. Even our own Manatee has a closelyrelated African cousin (31. senegalensis), and of whichform I have given a view of the skull in the presentpaper (A), as I had not one of the American ones at myhand. As will be seen by the classification in my leading para-graph above, there are two species of American Mana-tees, but only one of these belong to our United Statesfauna, the Florida Manatee, a form that so far as thiscountry is concerned, is now conf
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