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TABLE 1. Spit depths and cumulative depth of the Morgan’s Cave deposit conducted by Veth (1993).

Morgan’s Cave
spit number
Depth of spit
(mm)
Cumulative depth spits
below surface level
(mm)
1 40 40
2 30 70
3 30 100
4 30 130
5 35 165
6 45 210
7 40 250
8 50 300
9 50 350
10 50 400
11 60 460
12 70 530
13 60 590

 

 

TABLE 2. Weights of bone samples from Morgan’s Cave submitted to the University of Waikato for radiocarbon dating. Bone samples were made up of spirally-fractured fragments and other large pieces of non-porous bone.

Morgan’s Cave spit number 1 2 3 4 5 6 7
Bone weight (g) 3.30 4.72 5.30 5.07 6.75 6.67 8.23

 

TABLE 3. NISP and relative abundances (% NISP) for fossil mammal species from the Morgan’s Cave test pit and Barrow Island owl pellet (BWI OP) material. “-” indicates species not recorded in a spit. “X” indicates species that are present on Barrow Island (Abbott and Burbidge, 1995) but are not present in the owl pellet material.

  Morgan’s Cave Spit Number BWI OP
  7 6 5 4 3 2 1  
Thylacinus cynocephalus - 1 (0.38) - 1 (0.48) - - - -
Dasycercus sp. indet. 3 (0.74) 4 (1.50) 2 (0.63) 1 (0.48) 1 (0.47) 1 (0.88) - -
Dasyurus geoffroii 1 (0.25) 3 (1.12) 1 (0.31) 1 (0.48) - - - -
Planigale sp. - - 1 (0.31) - - - - 10 (5.26)
Pseudantechinus sp. 3 (0.74) 2 (0.75) - 1 (0.48) - - - 27 (14.2)
Sminthopsis sp. indet. 3 (0.74) 1 (0.38) 1 (0.31) - 4 (1.88) - - -
Dasyuridae indet. 3 (0.74) 4 (1.50) - 2 (0.96) - - - -
Isoodon auratus 10 (2.46) 9 (3.37) 19 (5.98) 24 (11.5) 23 (10.8) 22 (19.3) 11 (18.0) 11 (5.79)
Perameles bougainville 1 (0.25) - 2 (0.63) 1 (0.48) 4 (1.88) - - -
Macrotis lagotis - - 1 (0.31) - 2 (0.94) - - -
Trichosurus vulpecula - 2 (0.75) 3 (0.94) 4 (1.91) 4 (1.88) 2 (1.75) - X
Bettongia lesueur 2 (0.49) 5 (1.87) 5 (1.57) 7 (3.35) 3 (1.41) 2 (1.75) - X
Lagorchestes conspicillatus 1 (0.25) - 2 (0.63) 1 (0.48) 1 (0.47) 2 (1.75) 2 (3.28) X
Lagorchestes hirsutus 3 (0.74) 5 (1.87) 3 (0.94) 3 (1.44) - - - -
Osphrantor robustus - - - - - - - X
Onychogalea lunata 2 (0.49) 1 (0.38) - - 1 (0.47) 2 (1.75) 1 (1.64) -
Petrogale lateralis 1 (0.24) 1 (0.38) 2 (0.63) - - - - X
Microchiroptera indet. - - - 1 (0.48) - - - -
Leggadina sp. indet. - 1 (0.38) 1 (0.31) - - - - -
Notomys alexis 112 (27.59) 82 (30.7) 95 (29.9) 60 (28.7) 38 (17.8) 6 (5.26) 5 (8.20) -
Notomys amplus 61 (15.02) 29 (10.9) 17 (5.35) 8 (3.83) 2 (0.94) 2 (1.75) 2 (3.28) -
Notomys longicaudatus 10 (2.46) 7 (2.62) 5 (1.57) 4 (1.91) 2 (0.94) 1 (0.88) - -
Pseudomys chapmani 8 (1.97) 4 (1.50) 2 (0.63) - - - - -
Pseudomys delicatulus - 2 (0.75) - 5 (2.39) 2 (0.94) - - -
Pesudomys desertor 6 (1.48) 2 (0.75) 4 (1.26) 2 (0.96) - - 1 (1.64) -
Pseudomys fieldi 8 (1.97) 2 (0.75) - - 1 (0.47) 1 (0.88) - -
Pseudomys hermannsburg. 97 (23.89) 38 (14.2) 63 (19.8) 17 (8.13) 17 (7.98) 1 (0.88) 1 (1.64) -
Pseudomys nanus 23 (5.67) 18 (6.74) 51 (16.0) 31 (14.8) 71 (33.3) 51 (44.7) 29 (47.5) 108 (56.8)
Rattus tunneyi 37 (9.11) 27 (10.1) 23 (7.23) 23 (11.0) 15 (7.04) 3 (2.63) 1 (1.64) -
Zyzomys argurus 3 (0.74) 9 (3.37) 13 (4.09) 11 (5.26) 20 (9.39) 15 (13.2) 8 (13.1) 34 (17.9)
Zyzomys pedunculatus 2 (0.49) - - - - - - -
Muridae indet. 82 76 75 48 49 24 13 -
Total NISP 406 267 318 209 213 114 61 190

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