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Little blobAcross
1
Little blob
4
73, 28, 40, 63, 72
See 73-Across
9
Post-refinement stuff
14
Pre-refinement stuff
15
Pedro's parting word
16
Excavated again
17
Crumpet accompaniment
18
Scientific dry-cleaning expert?
20
Capable of reason
22
Funereal poets
23
Deviate from the vertical
27
Retiree's lot
28
4, 40, 63, 72, 73
Geologist?
33
Mo. after Mar.
34
Breathing need
35
Like Vikings
38
Victory signs
40
73, 4, 28, 63, 72
See 73-Across
43
Void partner
44
Like some smartphone purchases
46
December 24 and 31
48
Sargasso Sea breeder
49
Exhortation to a literary agent?
53
Sauce thickener
54
PDQ
55
Chesapeake crustacean
59
Paves the way, in a way
63
4, 28, 40, 72, 73
Astronaut's dessert?
67
Imitate a dove
68
Archipelagic units
69
Swap
70
Crop crops
71
Persists
72
73, 4, 28, 40, 63
See 73-Across
73
4, 40, 72, 28, 63
Creatures who come from 4-Across (and 18-/28-Across), invade 40-Across (and 49-/63-Across), and are sent into a 72-Across by terrestrial defenses
Down
1
Signs of omission
2
Realtor's figure
3
Pod occupant
4
Symbolic goateed uncle
5
Short subway smooch, e.g.
6
Breathing need
7
Soft drink not named for a steel-manufacturing byproduct
8
Big Sur retreat center
9
Brings up for no good reason
10
Trusts to
11
Frozen treat maker
12
Sailor's challenge
13
NCOs
19
Tidy
21
Antlered ungulate
24
Would-be Anglophone's class
25
Take ___ from (imitate)
26
Sister ship of the Pinta
28
Sitarist Shankar
29
Doing business
30
Common coffee additive
31
Heron
32
More loyal
36
Sit and slide in snow
37
Hollow centers
39
Houseguest's aid
41
Home-viewer's rating
42
Attention-getting cries
45
Product producer
47
UAL competitor
50
Weill or Vonnegut
51
Specific bet
52
Choose
55
Jewish rite for baby boys
56
At sea
57
West Coast sch.
58
Stinging remark
60
Peak
61
Plant anchor
62
Boar mates
64
Vote against
65
Oral surgeon's deg.
66
"That's right!"
Alien Invaders