. Ecological animal geography; an authorized, rewritten edition based on Tiergeographie auf ockologischer grundlage. Zoogeography -- Geographical distribution; Animal ecology. THE BENTHAL 193 representation of four of them. The index forms of the different facies belong to different groups of animals; lamellibranchs (Fig. 29), sea urchins and starfish (Figs. 30 and 32), crustaceans (Fig. 31), or an- n" n"nnnn n nnn nnn nnn 4" n„ nnn „nn / n >„ Cl2y nnn/7 nnnn„ >> ** .* U JJ* nnnn „* ^ "' » *^* V* „ nn p°n^so nn q* n " nn ^0 18 n, ° nn -J n n„ . )n nn 1 „n n„ &
. Ecological animal geography; an authorized, rewritten edition based on Tiergeographie auf ockologischer grundlage. Zoogeography -- Geographical distribution; Animal ecology. THE BENTHAL 193 representation of four of them. The index forms of the different facies belong to different groups of animals; lamellibranchs (Fig. 29), sea urchins and starfish (Figs. 30 and 32), crustaceans (Fig. 31), or an- n" n"nnnn n nnn nnn nnn 4" n„ nnn „nn / n >„ Cl2y nnn/7 nnnn„ >> ** .* U JJ* nnnn „* ^ "' » *^* V* „ nn p°n^so nn q* n " nn ^0 18 n, ° nn -J n n„ . )n nn 1 „n n„ "nnn -irn n^C «"« ^ " T "n n J*" "n » A n % nnn» nnn „„ nn nnnnnnnnn20nnnnn nPn „r^ ^6/ n „ J - n < nn n n n nnn n "\ n nn n ft n .L_ nnn nn n n nn,,n'n n \\ nn nn •7U nn nn \ n „. "°jm nYnn n„n /SS . «n .„ n 9}/ „n nn ^\ n "n8 «n n"n n nnn""n "n n" °n °n ^ n ^) nn rf"n nn n Fig. 31.—Arrangement of animals on of sea bottom. Ill, Haploops community at a depth of 27 m. in the Kattegat. The inhabitants are: mollusks: (1) Venus ovata, 1; (2) Cardium jasciatum, 2; (3) Axinus flexuosus, 2; (4) Leda pernula, 1; (5) L. minuta, 1; (6) Lima loscombi, 3; (7) Pecten septemradiatus, 2; worms: (8)Aphrodite aculeata, 1; (9) Glycera sp., 1; (10) Eumenia crassa, 3; (11) fragment of a maldanid; (12) Pectinoria) auricoma, 1; (13) a terebellid; (14) Balanoglossus kupfferi, 1; (15) nemertines, 3; ophiurids: (16) Ophioglypha albida, 1; (17) , 30; sea urchins: (18) Strongylocentrotus drobachiensis, 1; crustaceans: (19) Haploops tubicola (see Fig. 25), 875; (20) Morea lovcni, 1; (21) Ferntca stroemii (on Pecten), 7. After Petersen. nelids may fill this role, and they are not necessarily the most abun- dant animals of the community. Some of these communities are rich in variety, up to 20 species, while others are poor (Fig. 29, with 6 species). In some, one
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Keywords: ., bookcentury1900, bookcollectionbiodive, booksubjectanimalecology
